MAYBE

Problem:
 active(from(X)) -> mark(cons(X,from(s(X))))
 active(head(cons(X,XS))) -> mark(X)
 active(2nd(cons(X,XS))) -> mark(head(XS))
 active(take(0(),XS)) -> mark(nil())
 active(take(s(N),cons(X,XS))) -> mark(cons(X,take(N,XS)))
 active(sel(0(),cons(X,XS))) -> mark(X)
 active(sel(s(N),cons(X,XS))) -> mark(sel(N,XS))
 mark(from(X)) -> active(from(mark(X)))
 mark(cons(X1,X2)) -> active(cons(mark(X1),X2))
 mark(s(X)) -> active(s(mark(X)))
 mark(head(X)) -> active(head(mark(X)))
 mark(2nd(X)) -> active(2nd(mark(X)))
 mark(take(X1,X2)) -> active(take(mark(X1),mark(X2)))
 mark(0()) -> active(0())
 mark(nil()) -> active(nil())
 mark(sel(X1,X2)) -> active(sel(mark(X1),mark(X2)))
 from(mark(X)) -> from(X)
 from(active(X)) -> from(X)
 cons(mark(X1),X2) -> cons(X1,X2)
 cons(X1,mark(X2)) -> cons(X1,X2)
 cons(active(X1),X2) -> cons(X1,X2)
 cons(X1,active(X2)) -> cons(X1,X2)
 s(mark(X)) -> s(X)
 s(active(X)) -> s(X)
 head(mark(X)) -> head(X)
 head(active(X)) -> head(X)
 2nd(mark(X)) -> 2nd(X)
 2nd(active(X)) -> 2nd(X)
 take(mark(X1),X2) -> take(X1,X2)
 take(X1,mark(X2)) -> take(X1,X2)
 take(active(X1),X2) -> take(X1,X2)
 take(X1,active(X2)) -> take(X1,X2)
 sel(mark(X1),X2) -> sel(X1,X2)
 sel(X1,mark(X2)) -> sel(X1,X2)
 sel(active(X1),X2) -> sel(X1,X2)
 sel(X1,active(X2)) -> sel(X1,X2)

Proof:
 DP Processor:
  DPs:
   active#(from(X)) -> s#(X)
   active#(from(X)) -> from#(s(X))
   active#(from(X)) -> cons#(X,from(s(X)))
   active#(from(X)) -> mark#(cons(X,from(s(X))))
   active#(head(cons(X,XS))) -> mark#(X)
   active#(2nd(cons(X,XS))) -> head#(XS)
   active#(2nd(cons(X,XS))) -> mark#(head(XS))
   active#(take(0(),XS)) -> mark#(nil())
   active#(take(s(N),cons(X,XS))) -> take#(N,XS)
   active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS))
   active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS)))
   active#(sel(0(),cons(X,XS))) -> mark#(X)
   active#(sel(s(N),cons(X,XS))) -> sel#(N,XS)
   active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS))
   mark#(from(X)) -> mark#(X)
   mark#(from(X)) -> from#(mark(X))
   mark#(from(X)) -> active#(from(mark(X)))
   mark#(cons(X1,X2)) -> mark#(X1)
   mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
   mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
   mark#(s(X)) -> mark#(X)
   mark#(s(X)) -> s#(mark(X))
   mark#(s(X)) -> active#(s(mark(X)))
   mark#(head(X)) -> mark#(X)
   mark#(head(X)) -> head#(mark(X))
   mark#(head(X)) -> active#(head(mark(X)))
   mark#(2nd(X)) -> mark#(X)
   mark#(2nd(X)) -> 2nd#(mark(X))
   mark#(2nd(X)) -> active#(2nd(mark(X)))
   mark#(take(X1,X2)) -> mark#(X2)
   mark#(take(X1,X2)) -> mark#(X1)
   mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
   mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
   mark#(0()) -> active#(0())
   mark#(nil()) -> active#(nil())
   mark#(sel(X1,X2)) -> mark#(X2)
   mark#(sel(X1,X2)) -> mark#(X1)
   mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
   mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
   from#(mark(X)) -> from#(X)
   from#(active(X)) -> from#(X)
   cons#(mark(X1),X2) -> cons#(X1,X2)
   cons#(X1,mark(X2)) -> cons#(X1,X2)
   cons#(active(X1),X2) -> cons#(X1,X2)
   cons#(X1,active(X2)) -> cons#(X1,X2)
   s#(mark(X)) -> s#(X)
   s#(active(X)) -> s#(X)
   head#(mark(X)) -> head#(X)
   head#(active(X)) -> head#(X)
   2nd#(mark(X)) -> 2nd#(X)
   2nd#(active(X)) -> 2nd#(X)
   take#(mark(X1),X2) -> take#(X1,X2)
   take#(X1,mark(X2)) -> take#(X1,X2)
   take#(active(X1),X2) -> take#(X1,X2)
   take#(X1,active(X2)) -> take#(X1,X2)
   sel#(mark(X1),X2) -> sel#(X1,X2)
   sel#(X1,mark(X2)) -> sel#(X1,X2)
   sel#(active(X1),X2) -> sel#(X1,X2)
   sel#(X1,active(X2)) -> sel#(X1,X2)
  TRS:
   active(from(X)) -> mark(cons(X,from(s(X))))
   active(head(cons(X,XS))) -> mark(X)
   active(2nd(cons(X,XS))) -> mark(head(XS))
   active(take(0(),XS)) -> mark(nil())
   active(take(s(N),cons(X,XS))) -> mark(cons(X,take(N,XS)))
   active(sel(0(),cons(X,XS))) -> mark(X)
   active(sel(s(N),cons(X,XS))) -> mark(sel(N,XS))
   mark(from(X)) -> active(from(mark(X)))
   mark(cons(X1,X2)) -> active(cons(mark(X1),X2))
   mark(s(X)) -> active(s(mark(X)))
   mark(head(X)) -> active(head(mark(X)))
   mark(2nd(X)) -> active(2nd(mark(X)))
   mark(take(X1,X2)) -> active(take(mark(X1),mark(X2)))
   mark(0()) -> active(0())
   mark(nil()) -> active(nil())
   mark(sel(X1,X2)) -> active(sel(mark(X1),mark(X2)))
   from(mark(X)) -> from(X)
   from(active(X)) -> from(X)
   cons(mark(X1),X2) -> cons(X1,X2)
   cons(X1,mark(X2)) -> cons(X1,X2)
   cons(active(X1),X2) -> cons(X1,X2)
   cons(X1,active(X2)) -> cons(X1,X2)
   s(mark(X)) -> s(X)
   s(active(X)) -> s(X)
   head(mark(X)) -> head(X)
   head(active(X)) -> head(X)
   2nd(mark(X)) -> 2nd(X)
   2nd(active(X)) -> 2nd(X)
   take(mark(X1),X2) -> take(X1,X2)
   take(X1,mark(X2)) -> take(X1,X2)
   take(active(X1),X2) -> take(X1,X2)
   take(X1,active(X2)) -> take(X1,X2)
   sel(mark(X1),X2) -> sel(X1,X2)
   sel(X1,mark(X2)) -> sel(X1,X2)
   sel(active(X1),X2) -> sel(X1,X2)
   sel(X1,active(X2)) -> sel(X1,X2)
  TDG Processor:
   DPs:
    active#(from(X)) -> s#(X)
    active#(from(X)) -> from#(s(X))
    active#(from(X)) -> cons#(X,from(s(X)))
    active#(from(X)) -> mark#(cons(X,from(s(X))))
    active#(head(cons(X,XS))) -> mark#(X)
    active#(2nd(cons(X,XS))) -> head#(XS)
    active#(2nd(cons(X,XS))) -> mark#(head(XS))
    active#(take(0(),XS)) -> mark#(nil())
    active#(take(s(N),cons(X,XS))) -> take#(N,XS)
    active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS))
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS)))
    active#(sel(0(),cons(X,XS))) -> mark#(X)
    active#(sel(s(N),cons(X,XS))) -> sel#(N,XS)
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS))
    mark#(from(X)) -> mark#(X)
    mark#(from(X)) -> from#(mark(X))
    mark#(from(X)) -> active#(from(mark(X)))
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    mark#(s(X)) -> mark#(X)
    mark#(s(X)) -> s#(mark(X))
    mark#(s(X)) -> active#(s(mark(X)))
    mark#(head(X)) -> mark#(X)
    mark#(head(X)) -> head#(mark(X))
    mark#(head(X)) -> active#(head(mark(X)))
    mark#(2nd(X)) -> mark#(X)
    mark#(2nd(X)) -> 2nd#(mark(X))
    mark#(2nd(X)) -> active#(2nd(mark(X)))
    mark#(take(X1,X2)) -> mark#(X2)
    mark#(take(X1,X2)) -> mark#(X1)
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    mark#(0()) -> active#(0())
    mark#(nil()) -> active#(nil())
    mark#(sel(X1,X2)) -> mark#(X2)
    mark#(sel(X1,X2)) -> mark#(X1)
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    from#(mark(X)) -> from#(X)
    from#(active(X)) -> from#(X)
    cons#(mark(X1),X2) -> cons#(X1,X2)
    cons#(X1,mark(X2)) -> cons#(X1,X2)
    cons#(active(X1),X2) -> cons#(X1,X2)
    cons#(X1,active(X2)) -> cons#(X1,X2)
    s#(mark(X)) -> s#(X)
    s#(active(X)) -> s#(X)
    head#(mark(X)) -> head#(X)
    head#(active(X)) -> head#(X)
    2nd#(mark(X)) -> 2nd#(X)
    2nd#(active(X)) -> 2nd#(X)
    take#(mark(X1),X2) -> take#(X1,X2)
    take#(X1,mark(X2)) -> take#(X1,X2)
    take#(active(X1),X2) -> take#(X1,X2)
    take#(X1,active(X2)) -> take#(X1,X2)
    sel#(mark(X1),X2) -> sel#(X1,X2)
    sel#(X1,mark(X2)) -> sel#(X1,X2)
    sel#(active(X1),X2) -> sel#(X1,X2)
    sel#(X1,active(X2)) -> sel#(X1,X2)
   TRS:
    active(from(X)) -> mark(cons(X,from(s(X))))
    active(head(cons(X,XS))) -> mark(X)
    active(2nd(cons(X,XS))) -> mark(head(XS))
    active(take(0(),XS)) -> mark(nil())
    active(take(s(N),cons(X,XS))) -> mark(cons(X,take(N,XS)))
    active(sel(0(),cons(X,XS))) -> mark(X)
    active(sel(s(N),cons(X,XS))) -> mark(sel(N,XS))
    mark(from(X)) -> active(from(mark(X)))
    mark(cons(X1,X2)) -> active(cons(mark(X1),X2))
    mark(s(X)) -> active(s(mark(X)))
    mark(head(X)) -> active(head(mark(X)))
    mark(2nd(X)) -> active(2nd(mark(X)))
    mark(take(X1,X2)) -> active(take(mark(X1),mark(X2)))
    mark(0()) -> active(0())
    mark(nil()) -> active(nil())
    mark(sel(X1,X2)) -> active(sel(mark(X1),mark(X2)))
    from(mark(X)) -> from(X)
    from(active(X)) -> from(X)
    cons(mark(X1),X2) -> cons(X1,X2)
    cons(X1,mark(X2)) -> cons(X1,X2)
    cons(active(X1),X2) -> cons(X1,X2)
    cons(X1,active(X2)) -> cons(X1,X2)
    s(mark(X)) -> s(X)
    s(active(X)) -> s(X)
    head(mark(X)) -> head(X)
    head(active(X)) -> head(X)
    2nd(mark(X)) -> 2nd(X)
    2nd(active(X)) -> 2nd(X)
    take(mark(X1),X2) -> take(X1,X2)
    take(X1,mark(X2)) -> take(X1,X2)
    take(active(X1),X2) -> take(X1,X2)
    take(X1,active(X2)) -> take(X1,X2)
    sel(mark(X1),X2) -> sel(X1,X2)
    sel(X1,mark(X2)) -> sel(X1,X2)
    sel(active(X1),X2) -> sel(X1,X2)
    sel(X1,active(X2)) -> sel(X1,X2)
   graph:
    2nd#(mark(X)) -> 2nd#(X) -> 2nd#(active(X)) -> 2nd#(X)
    2nd#(mark(X)) -> 2nd#(X) -> 2nd#(mark(X)) -> 2nd#(X)
    2nd#(active(X)) -> 2nd#(X) -> 2nd#(active(X)) -> 2nd#(X)
    2nd#(active(X)) -> 2nd#(X) -> 2nd#(mark(X)) -> 2nd#(X)
    sel#(mark(X1),X2) -> sel#(X1,X2) ->
    sel#(X1,active(X2)) -> sel#(X1,X2)
    sel#(mark(X1),X2) -> sel#(X1,X2) ->
    sel#(active(X1),X2) -> sel#(X1,X2)
    sel#(mark(X1),X2) -> sel#(X1,X2) ->
    sel#(X1,mark(X2)) -> sel#(X1,X2)
    sel#(mark(X1),X2) -> sel#(X1,X2) ->
    sel#(mark(X1),X2) -> sel#(X1,X2)
    sel#(active(X1),X2) -> sel#(X1,X2) ->
    sel#(X1,active(X2)) -> sel#(X1,X2)
    sel#(active(X1),X2) -> sel#(X1,X2) ->
    sel#(active(X1),X2) -> sel#(X1,X2)
    sel#(active(X1),X2) -> sel#(X1,X2) ->
    sel#(X1,mark(X2)) -> sel#(X1,X2)
    sel#(active(X1),X2) -> sel#(X1,X2) ->
    sel#(mark(X1),X2) -> sel#(X1,X2)
    sel#(X1,mark(X2)) -> sel#(X1,X2) ->
    sel#(X1,active(X2)) -> sel#(X1,X2)
    sel#(X1,mark(X2)) -> sel#(X1,X2) ->
    sel#(active(X1),X2) -> sel#(X1,X2)
    sel#(X1,mark(X2)) -> sel#(X1,X2) ->
    sel#(X1,mark(X2)) -> sel#(X1,X2)
    sel#(X1,mark(X2)) -> sel#(X1,X2) ->
    sel#(mark(X1),X2) -> sel#(X1,X2)
    sel#(X1,active(X2)) -> sel#(X1,X2) ->
    sel#(X1,active(X2)) -> sel#(X1,X2)
    sel#(X1,active(X2)) -> sel#(X1,X2) ->
    sel#(active(X1),X2) -> sel#(X1,X2)
    sel#(X1,active(X2)) -> sel#(X1,X2) ->
    sel#(X1,mark(X2)) -> sel#(X1,X2)
    sel#(X1,active(X2)) -> sel#(X1,X2) ->
    sel#(mark(X1),X2) -> sel#(X1,X2)
    take#(mark(X1),X2) -> take#(X1,X2) ->
    take#(X1,active(X2)) -> take#(X1,X2)
    take#(mark(X1),X2) -> take#(X1,X2) ->
    take#(active(X1),X2) -> take#(X1,X2)
    take#(mark(X1),X2) -> take#(X1,X2) ->
    take#(X1,mark(X2)) -> take#(X1,X2)
    take#(mark(X1),X2) -> take#(X1,X2) ->
    take#(mark(X1),X2) -> take#(X1,X2)
    take#(active(X1),X2) -> take#(X1,X2) ->
    take#(X1,active(X2)) -> take#(X1,X2)
    take#(active(X1),X2) -> take#(X1,X2) ->
    take#(active(X1),X2) -> take#(X1,X2)
    take#(active(X1),X2) -> take#(X1,X2) ->
    take#(X1,mark(X2)) -> take#(X1,X2)
    take#(active(X1),X2) -> take#(X1,X2) ->
    take#(mark(X1),X2) -> take#(X1,X2)
    take#(X1,mark(X2)) -> take#(X1,X2) ->
    take#(X1,active(X2)) -> take#(X1,X2)
    take#(X1,mark(X2)) -> take#(X1,X2) ->
    take#(active(X1),X2) -> take#(X1,X2)
    take#(X1,mark(X2)) -> take#(X1,X2) ->
    take#(X1,mark(X2)) -> take#(X1,X2)
    take#(X1,mark(X2)) -> take#(X1,X2) ->
    take#(mark(X1),X2) -> take#(X1,X2)
    take#(X1,active(X2)) -> take#(X1,X2) ->
    take#(X1,active(X2)) -> take#(X1,X2)
    take#(X1,active(X2)) -> take#(X1,X2) ->
    take#(active(X1),X2) -> take#(X1,X2)
    take#(X1,active(X2)) -> take#(X1,X2) ->
    take#(X1,mark(X2)) -> take#(X1,X2)
    take#(X1,active(X2)) -> take#(X1,X2) ->
    take#(mark(X1),X2) -> take#(X1,X2)
    head#(mark(X)) -> head#(X) -> head#(active(X)) -> head#(X)
    head#(mark(X)) -> head#(X) -> head#(mark(X)) -> head#(X)
    head#(active(X)) -> head#(X) -> head#(active(X)) -> head#(X)
    head#(active(X)) -> head#(X) ->
    head#(mark(X)) -> head#(X)
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2)) ->
    sel#(X1,active(X2)) -> sel#(X1,X2)
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2)) ->
    sel#(active(X1),X2) -> sel#(X1,X2)
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2)) ->
    sel#(X1,mark(X2)) -> sel#(X1,X2)
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2)) ->
    sel#(mark(X1),X2) -> sel#(X1,X2)
    mark#(sel(X1,X2)) -> mark#(X2) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    mark#(sel(X1,X2)) -> mark#(X2) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    mark#(sel(X1,X2)) -> mark#(X2) -> mark#(sel(X1,X2)) -> mark#(X1)
    mark#(sel(X1,X2)) -> mark#(X2) -> mark#(sel(X1,X2)) -> mark#(X2)
    mark#(sel(X1,X2)) -> mark#(X2) -> mark#(nil()) -> active#(nil())
    mark#(sel(X1,X2)) -> mark#(X2) -> mark#(0()) -> active#(0())
    mark#(sel(X1,X2)) -> mark#(X2) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    mark#(sel(X1,X2)) -> mark#(X2) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    mark#(sel(X1,X2)) -> mark#(X2) -> mark#(take(X1,X2)) -> mark#(X1)
    mark#(sel(X1,X2)) -> mark#(X2) -> mark#(take(X1,X2)) -> mark#(X2)
    mark#(sel(X1,X2)) -> mark#(X2) ->
    mark#(2nd(X)) -> active#(2nd(mark(X)))
    mark#(sel(X1,X2)) -> mark#(X2) -> mark#(2nd(X)) -> 2nd#(mark(X))
    mark#(sel(X1,X2)) -> mark#(X2) -> mark#(2nd(X)) -> mark#(X)
    mark#(sel(X1,X2)) -> mark#(X2) ->
    mark#(head(X)) -> active#(head(mark(X)))
    mark#(sel(X1,X2)) -> mark#(X2) ->
    mark#(head(X)) -> head#(mark(X))
    mark#(sel(X1,X2)) -> mark#(X2) -> mark#(head(X)) -> mark#(X)
    mark#(sel(X1,X2)) -> mark#(X2) ->
    mark#(s(X)) -> active#(s(mark(X)))
    mark#(sel(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> s#(mark(X))
    mark#(sel(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> mark#(X)
    mark#(sel(X1,X2)) -> mark#(X2) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    mark#(sel(X1,X2)) -> mark#(X2) ->
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    mark#(sel(X1,X2)) -> mark#(X2) -> mark#(cons(X1,X2)) -> mark#(X1)
    mark#(sel(X1,X2)) -> mark#(X2) ->
    mark#(from(X)) -> active#(from(mark(X)))
    mark#(sel(X1,X2)) -> mark#(X2) ->
    mark#(from(X)) -> from#(mark(X))
    mark#(sel(X1,X2)) -> mark#(X2) -> mark#(from(X)) -> mark#(X)
    mark#(sel(X1,X2)) -> mark#(X1) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    mark#(sel(X1,X2)) -> mark#(X1) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    mark#(sel(X1,X2)) -> mark#(X1) -> mark#(sel(X1,X2)) -> mark#(X1)
    mark#(sel(X1,X2)) -> mark#(X1) -> mark#(sel(X1,X2)) -> mark#(X2)
    mark#(sel(X1,X2)) -> mark#(X1) -> mark#(nil()) -> active#(nil())
    mark#(sel(X1,X2)) -> mark#(X1) -> mark#(0()) -> active#(0())
    mark#(sel(X1,X2)) -> mark#(X1) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    mark#(sel(X1,X2)) -> mark#(X1) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    mark#(sel(X1,X2)) -> mark#(X1) -> mark#(take(X1,X2)) -> mark#(X1)
    mark#(sel(X1,X2)) -> mark#(X1) -> mark#(take(X1,X2)) -> mark#(X2)
    mark#(sel(X1,X2)) -> mark#(X1) ->
    mark#(2nd(X)) -> active#(2nd(mark(X)))
    mark#(sel(X1,X2)) -> mark#(X1) -> mark#(2nd(X)) -> 2nd#(mark(X))
    mark#(sel(X1,X2)) -> mark#(X1) -> mark#(2nd(X)) -> mark#(X)
    mark#(sel(X1,X2)) -> mark#(X1) ->
    mark#(head(X)) -> active#(head(mark(X)))
    mark#(sel(X1,X2)) -> mark#(X1) ->
    mark#(head(X)) -> head#(mark(X))
    mark#(sel(X1,X2)) -> mark#(X1) -> mark#(head(X)) -> mark#(X)
    mark#(sel(X1,X2)) -> mark#(X1) ->
    mark#(s(X)) -> active#(s(mark(X)))
    mark#(sel(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> s#(mark(X))
    mark#(sel(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X)
    mark#(sel(X1,X2)) -> mark#(X1) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    mark#(sel(X1,X2)) -> mark#(X1) ->
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    mark#(sel(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> mark#(X1)
    mark#(sel(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> active#(from(mark(X)))
    mark#(sel(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> from#(mark(X))
    mark#(sel(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> mark#(X)
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2))) ->
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS))
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2))) ->
    active#(sel(s(N),cons(X,XS))) -> sel#(N,XS)
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2))) ->
    active#(sel(0(),cons(X,XS))) -> mark#(X)
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2))) ->
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS)))
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2))) ->
    active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS))
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2))) ->
    active#(take(s(N),cons(X,XS))) -> take#(N,XS)
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2))) ->
    active#(take(0(),XS)) -> mark#(nil())
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2))) ->
    active#(2nd(cons(X,XS))) -> mark#(head(XS))
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2))) ->
    active#(2nd(cons(X,XS))) -> head#(XS)
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2))) ->
    active#(head(cons(X,XS))) -> mark#(X)
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2))) ->
    active#(from(X)) -> mark#(cons(X,from(s(X))))
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2))) ->
    active#(from(X)) -> cons#(X,from(s(X)))
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2))) ->
    active#(from(X)) -> from#(s(X))
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2))) ->
    active#(from(X)) -> s#(X)
    mark#(nil()) -> active#(nil()) ->
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS))
    mark#(nil()) -> active#(nil()) ->
    active#(sel(s(N),cons(X,XS))) -> sel#(N,XS)
    mark#(nil()) -> active#(nil()) ->
    active#(sel(0(),cons(X,XS))) -> mark#(X)
    mark#(nil()) -> active#(nil()) ->
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS)))
    mark#(nil()) -> active#(nil()) ->
    active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS))
    mark#(nil()) -> active#(nil()) ->
    active#(take(s(N),cons(X,XS))) -> take#(N,XS)
    mark#(nil()) -> active#(nil()) ->
    active#(take(0(),XS)) -> mark#(nil())
    mark#(nil()) -> active#(nil()) ->
    active#(2nd(cons(X,XS))) -> mark#(head(XS))
    mark#(nil()) -> active#(nil()) ->
    active#(2nd(cons(X,XS))) -> head#(XS)
    mark#(nil()) -> active#(nil()) ->
    active#(head(cons(X,XS))) -> mark#(X)
    mark#(nil()) -> active#(nil()) ->
    active#(from(X)) -> mark#(cons(X,from(s(X))))
    mark#(nil()) -> active#(nil()) ->
    active#(from(X)) -> cons#(X,from(s(X)))
    mark#(nil()) -> active#(nil()) -> active#(from(X)) -> from#(s(X))
    mark#(nil()) -> active#(nil()) ->
    active#(from(X)) -> s#(X)
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2)) ->
    take#(X1,active(X2)) -> take#(X1,X2)
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2)) ->
    take#(active(X1),X2) -> take#(X1,X2)
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2)) ->
    take#(X1,mark(X2)) -> take#(X1,X2)
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2)) ->
    take#(mark(X1),X2) -> take#(X1,X2)
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(sel(X1,X2)) -> mark#(X1)
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(sel(X1,X2)) -> mark#(X2)
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(nil()) -> active#(nil())
    mark#(take(X1,X2)) -> mark#(X2) -> mark#(0()) -> active#(0())
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(take(X1,X2)) -> mark#(X1)
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(take(X1,X2)) -> mark#(X2)
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(2nd(X)) -> active#(2nd(mark(X)))
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(2nd(X)) -> 2nd#(mark(X))
    mark#(take(X1,X2)) -> mark#(X2) -> mark#(2nd(X)) -> mark#(X)
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(head(X)) -> active#(head(mark(X)))
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(head(X)) -> head#(mark(X))
    mark#(take(X1,X2)) -> mark#(X2) -> mark#(head(X)) -> mark#(X)
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(s(X)) -> active#(s(mark(X)))
    mark#(take(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> s#(mark(X))
    mark#(take(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> mark#(X)
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(from(X)) -> active#(from(mark(X)))
    mark#(take(X1,X2)) -> mark#(X2) ->
    mark#(from(X)) -> from#(mark(X))
    mark#(take(X1,X2)) -> mark#(X2) -> mark#(from(X)) -> mark#(X)
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(sel(X1,X2)) -> mark#(X1)
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(sel(X1,X2)) -> mark#(X2)
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(nil()) -> active#(nil())
    mark#(take(X1,X2)) -> mark#(X1) -> mark#(0()) -> active#(0())
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(take(X1,X2)) -> mark#(X1)
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(take(X1,X2)) -> mark#(X2)
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(2nd(X)) -> active#(2nd(mark(X)))
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(2nd(X)) -> 2nd#(mark(X))
    mark#(take(X1,X2)) -> mark#(X1) -> mark#(2nd(X)) -> mark#(X)
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(head(X)) -> active#(head(mark(X)))
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(head(X)) -> head#(mark(X))
    mark#(take(X1,X2)) -> mark#(X1) -> mark#(head(X)) -> mark#(X)
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(s(X)) -> active#(s(mark(X)))
    mark#(take(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> s#(mark(X))
    mark#(take(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X)
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> active#(from(mark(X)))
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> from#(mark(X))
    mark#(take(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> mark#(X)
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2))) ->
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS))
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2))) ->
    active#(sel(s(N),cons(X,XS))) -> sel#(N,XS)
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2))) ->
    active#(sel(0(),cons(X,XS))) -> mark#(X)
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2))) ->
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS)))
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2))) ->
    active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS))
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2))) ->
    active#(take(s(N),cons(X,XS))) -> take#(N,XS)
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2))) ->
    active#(take(0(),XS)) -> mark#(nil())
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2))) ->
    active#(2nd(cons(X,XS))) -> mark#(head(XS))
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2))) ->
    active#(2nd(cons(X,XS))) -> head#(XS)
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2))) ->
    active#(head(cons(X,XS))) -> mark#(X)
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2))) ->
    active#(from(X)) -> mark#(cons(X,from(s(X))))
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2))) ->
    active#(from(X)) -> cons#(X,from(s(X)))
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2))) ->
    active#(from(X)) -> from#(s(X))
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2))) ->
    active#(from(X)) -> s#(X)
    mark#(0()) -> active#(0()) ->
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS))
    mark#(0()) -> active#(0()) ->
    active#(sel(s(N),cons(X,XS))) -> sel#(N,XS)
    mark#(0()) -> active#(0()) ->
    active#(sel(0(),cons(X,XS))) -> mark#(X)
    mark#(0()) -> active#(0()) ->
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS)))
    mark#(0()) -> active#(0()) ->
    active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS))
    mark#(0()) -> active#(0()) ->
    active#(take(s(N),cons(X,XS))) -> take#(N,XS)
    mark#(0()) -> active#(0()) -> active#(take(0(),XS)) -> mark#(nil())
    mark#(0()) -> active#(0()) ->
    active#(2nd(cons(X,XS))) -> mark#(head(XS))
    mark#(0()) -> active#(0()) -> active#(2nd(cons(X,XS))) -> head#(XS)
    mark#(0()) -> active#(0()) -> active#(head(cons(X,XS))) -> mark#(X)
    mark#(0()) -> active#(0()) ->
    active#(from(X)) -> mark#(cons(X,from(s(X))))
    mark#(0()) -> active#(0()) -> active#(from(X)) -> cons#(X,from(s(X)))
    mark#(0()) -> active#(0()) -> active#(from(X)) -> from#(s(X))
    mark#(0()) -> active#(0()) -> active#(from(X)) -> s#(X)
    mark#(2nd(X)) -> 2nd#(mark(X)) -> 2nd#(active(X)) -> 2nd#(X)
    mark#(2nd(X)) -> 2nd#(mark(X)) -> 2nd#(mark(X)) -> 2nd#(X)
    mark#(2nd(X)) -> mark#(X) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    mark#(2nd(X)) -> mark#(X) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    mark#(2nd(X)) -> mark#(X) -> mark#(sel(X1,X2)) -> mark#(X1)
    mark#(2nd(X)) -> mark#(X) -> mark#(sel(X1,X2)) -> mark#(X2)
    mark#(2nd(X)) -> mark#(X) -> mark#(nil()) -> active#(nil())
    mark#(2nd(X)) -> mark#(X) -> mark#(0()) -> active#(0())
    mark#(2nd(X)) -> mark#(X) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    mark#(2nd(X)) -> mark#(X) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    mark#(2nd(X)) -> mark#(X) -> mark#(take(X1,X2)) -> mark#(X1)
    mark#(2nd(X)) -> mark#(X) -> mark#(take(X1,X2)) -> mark#(X2)
    mark#(2nd(X)) -> mark#(X) -> mark#(2nd(X)) -> active#(2nd(mark(X)))
    mark#(2nd(X)) -> mark#(X) -> mark#(2nd(X)) -> 2nd#(mark(X))
    mark#(2nd(X)) -> mark#(X) -> mark#(2nd(X)) -> mark#(X)
    mark#(2nd(X)) -> mark#(X) -> mark#(head(X)) -> active#(head(mark(X)))
    mark#(2nd(X)) -> mark#(X) -> mark#(head(X)) -> head#(mark(X))
    mark#(2nd(X)) -> mark#(X) -> mark#(head(X)) -> mark#(X)
    mark#(2nd(X)) -> mark#(X) -> mark#(s(X)) -> active#(s(mark(X)))
    mark#(2nd(X)) -> mark#(X) -> mark#(s(X)) -> s#(mark(X))
    mark#(2nd(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    mark#(2nd(X)) -> mark#(X) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    mark#(2nd(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    mark#(2nd(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    mark#(2nd(X)) -> mark#(X) -> mark#(from(X)) -> active#(from(mark(X)))
    mark#(2nd(X)) -> mark#(X) -> mark#(from(X)) -> from#(mark(X))
    mark#(2nd(X)) -> mark#(X) -> mark#(from(X)) -> mark#(X)
    mark#(2nd(X)) -> active#(2nd(mark(X))) ->
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS))
    mark#(2nd(X)) -> active#(2nd(mark(X))) ->
    active#(sel(s(N),cons(X,XS))) -> sel#(N,XS)
    mark#(2nd(X)) -> active#(2nd(mark(X))) ->
    active#(sel(0(),cons(X,XS))) -> mark#(X)
    mark#(2nd(X)) -> active#(2nd(mark(X))) ->
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS)))
    mark#(2nd(X)) -> active#(2nd(mark(X))) ->
    active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS))
    mark#(2nd(X)) -> active#(2nd(mark(X))) ->
    active#(take(s(N),cons(X,XS))) -> take#(N,XS)
    mark#(2nd(X)) -> active#(2nd(mark(X))) ->
    active#(take(0(),XS)) -> mark#(nil())
    mark#(2nd(X)) -> active#(2nd(mark(X))) ->
    active#(2nd(cons(X,XS))) -> mark#(head(XS))
    mark#(2nd(X)) -> active#(2nd(mark(X))) ->
    active#(2nd(cons(X,XS))) -> head#(XS)
    mark#(2nd(X)) -> active#(2nd(mark(X))) ->
    active#(head(cons(X,XS))) -> mark#(X)
    mark#(2nd(X)) -> active#(2nd(mark(X))) ->
    active#(from(X)) -> mark#(cons(X,from(s(X))))
    mark#(2nd(X)) -> active#(2nd(mark(X))) ->
    active#(from(X)) -> cons#(X,from(s(X)))
    mark#(2nd(X)) -> active#(2nd(mark(X))) ->
    active#(from(X)) -> from#(s(X))
    mark#(2nd(X)) -> active#(2nd(mark(X))) ->
    active#(from(X)) -> s#(X)
    mark#(head(X)) -> head#(mark(X)) ->
    head#(active(X)) -> head#(X)
    mark#(head(X)) -> head#(mark(X)) -> head#(mark(X)) -> head#(X)
    mark#(head(X)) -> mark#(X) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    mark#(head(X)) -> mark#(X) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    mark#(head(X)) -> mark#(X) -> mark#(sel(X1,X2)) -> mark#(X1)
    mark#(head(X)) -> mark#(X) -> mark#(sel(X1,X2)) -> mark#(X2)
    mark#(head(X)) -> mark#(X) -> mark#(nil()) -> active#(nil())
    mark#(head(X)) -> mark#(X) -> mark#(0()) -> active#(0())
    mark#(head(X)) -> mark#(X) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    mark#(head(X)) -> mark#(X) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    mark#(head(X)) -> mark#(X) -> mark#(take(X1,X2)) -> mark#(X1)
    mark#(head(X)) -> mark#(X) -> mark#(take(X1,X2)) -> mark#(X2)
    mark#(head(X)) -> mark#(X) -> mark#(2nd(X)) -> active#(2nd(mark(X)))
    mark#(head(X)) -> mark#(X) -> mark#(2nd(X)) -> 2nd#(mark(X))
    mark#(head(X)) -> mark#(X) -> mark#(2nd(X)) -> mark#(X)
    mark#(head(X)) -> mark#(X) ->
    mark#(head(X)) -> active#(head(mark(X)))
    mark#(head(X)) -> mark#(X) -> mark#(head(X)) -> head#(mark(X))
    mark#(head(X)) -> mark#(X) -> mark#(head(X)) -> mark#(X)
    mark#(head(X)) -> mark#(X) -> mark#(s(X)) -> active#(s(mark(X)))
    mark#(head(X)) -> mark#(X) -> mark#(s(X)) -> s#(mark(X))
    mark#(head(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    mark#(head(X)) -> mark#(X) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    mark#(head(X)) -> mark#(X) ->
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    mark#(head(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    mark#(head(X)) -> mark#(X) ->
    mark#(from(X)) -> active#(from(mark(X)))
    mark#(head(X)) -> mark#(X) -> mark#(from(X)) -> from#(mark(X))
    mark#(head(X)) -> mark#(X) ->
    mark#(from(X)) -> mark#(X)
    mark#(head(X)) -> active#(head(mark(X))) ->
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS))
    mark#(head(X)) -> active#(head(mark(X))) ->
    active#(sel(s(N),cons(X,XS))) -> sel#(N,XS)
    mark#(head(X)) -> active#(head(mark(X))) ->
    active#(sel(0(),cons(X,XS))) -> mark#(X)
    mark#(head(X)) -> active#(head(mark(X))) ->
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS)))
    mark#(head(X)) -> active#(head(mark(X))) ->
    active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS))
    mark#(head(X)) -> active#(head(mark(X))) ->
    active#(take(s(N),cons(X,XS))) -> take#(N,XS)
    mark#(head(X)) -> active#(head(mark(X))) ->
    active#(take(0(),XS)) -> mark#(nil())
    mark#(head(X)) -> active#(head(mark(X))) ->
    active#(2nd(cons(X,XS))) -> mark#(head(XS))
    mark#(head(X)) -> active#(head(mark(X))) ->
    active#(2nd(cons(X,XS))) -> head#(XS)
    mark#(head(X)) -> active#(head(mark(X))) ->
    active#(head(cons(X,XS))) -> mark#(X)
    mark#(head(X)) -> active#(head(mark(X))) ->
    active#(from(X)) -> mark#(cons(X,from(s(X))))
    mark#(head(X)) -> active#(head(mark(X))) ->
    active#(from(X)) -> cons#(X,from(s(X)))
    mark#(head(X)) -> active#(head(mark(X))) ->
    active#(from(X)) -> from#(s(X))
    mark#(head(X)) -> active#(head(mark(X))) ->
    active#(from(X)) -> s#(X)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(sel(X1,X2)) -> mark#(X1)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(sel(X1,X2)) -> mark#(X2)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(nil()) -> active#(nil())
    mark#(cons(X1,X2)) -> mark#(X1) -> mark#(0()) -> active#(0())
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(take(X1,X2)) -> mark#(X1)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(take(X1,X2)) -> mark#(X2)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(2nd(X)) -> active#(2nd(mark(X)))
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(2nd(X)) -> 2nd#(mark(X))
    mark#(cons(X1,X2)) -> mark#(X1) -> mark#(2nd(X)) -> mark#(X)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(head(X)) -> active#(head(mark(X)))
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(head(X)) -> head#(mark(X))
    mark#(cons(X1,X2)) -> mark#(X1) -> mark#(head(X)) -> mark#(X)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(s(X)) -> active#(s(mark(X)))
    mark#(cons(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> s#(mark(X))
    mark#(cons(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> active#(from(mark(X)))
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> from#(mark(X))
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> mark#(X)
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2) ->
    cons#(X1,active(X2)) -> cons#(X1,X2)
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2) ->
    cons#(active(X1),X2) -> cons#(X1,X2)
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2) ->
    cons#(X1,mark(X2)) -> cons#(X1,X2)
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2) ->
    cons#(mark(X1),X2) -> cons#(X1,X2)
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) ->
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS))
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) ->
    active#(sel(s(N),cons(X,XS))) -> sel#(N,XS)
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) ->
    active#(sel(0(),cons(X,XS))) -> mark#(X)
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) ->
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS)))
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) ->
    active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS))
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) ->
    active#(take(s(N),cons(X,XS))) -> take#(N,XS)
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) ->
    active#(take(0(),XS)) -> mark#(nil())
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) ->
    active#(2nd(cons(X,XS))) -> mark#(head(XS))
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) ->
    active#(2nd(cons(X,XS))) -> head#(XS)
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) ->
    active#(head(cons(X,XS))) -> mark#(X)
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) ->
    active#(from(X)) -> mark#(cons(X,from(s(X))))
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) ->
    active#(from(X)) -> cons#(X,from(s(X)))
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) ->
    active#(from(X)) -> from#(s(X))
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) ->
    active#(from(X)) -> s#(X)
    mark#(s(X)) -> mark#(X) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    mark#(s(X)) -> mark#(X) -> mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    mark#(s(X)) -> mark#(X) -> mark#(sel(X1,X2)) -> mark#(X1)
    mark#(s(X)) -> mark#(X) -> mark#(sel(X1,X2)) -> mark#(X2)
    mark#(s(X)) -> mark#(X) -> mark#(nil()) -> active#(nil())
    mark#(s(X)) -> mark#(X) -> mark#(0()) -> active#(0())
    mark#(s(X)) -> mark#(X) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    mark#(s(X)) -> mark#(X) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    mark#(s(X)) -> mark#(X) -> mark#(take(X1,X2)) -> mark#(X1)
    mark#(s(X)) -> mark#(X) -> mark#(take(X1,X2)) -> mark#(X2)
    mark#(s(X)) -> mark#(X) -> mark#(2nd(X)) -> active#(2nd(mark(X)))
    mark#(s(X)) -> mark#(X) -> mark#(2nd(X)) -> 2nd#(mark(X))
    mark#(s(X)) -> mark#(X) -> mark#(2nd(X)) -> mark#(X)
    mark#(s(X)) -> mark#(X) -> mark#(head(X)) -> active#(head(mark(X)))
    mark#(s(X)) -> mark#(X) -> mark#(head(X)) -> head#(mark(X))
    mark#(s(X)) -> mark#(X) -> mark#(head(X)) -> mark#(X)
    mark#(s(X)) -> mark#(X) -> mark#(s(X)) -> active#(s(mark(X)))
    mark#(s(X)) -> mark#(X) -> mark#(s(X)) -> s#(mark(X))
    mark#(s(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    mark#(s(X)) -> mark#(X) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    mark#(s(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    mark#(s(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    mark#(s(X)) -> mark#(X) -> mark#(from(X)) -> active#(from(mark(X)))
    mark#(s(X)) -> mark#(X) -> mark#(from(X)) -> from#(mark(X))
    mark#(s(X)) -> mark#(X) -> mark#(from(X)) -> mark#(X)
    mark#(s(X)) -> s#(mark(X)) -> s#(active(X)) -> s#(X)
    mark#(s(X)) -> s#(mark(X)) -> s#(mark(X)) -> s#(X)
    mark#(s(X)) -> active#(s(mark(X))) ->
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS))
    mark#(s(X)) -> active#(s(mark(X))) ->
    active#(sel(s(N),cons(X,XS))) -> sel#(N,XS)
    mark#(s(X)) -> active#(s(mark(X))) ->
    active#(sel(0(),cons(X,XS))) -> mark#(X)
    mark#(s(X)) -> active#(s(mark(X))) ->
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS)))
    mark#(s(X)) -> active#(s(mark(X))) ->
    active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS))
    mark#(s(X)) -> active#(s(mark(X))) ->
    active#(take(s(N),cons(X,XS))) -> take#(N,XS)
    mark#(s(X)) -> active#(s(mark(X))) ->
    active#(take(0(),XS)) -> mark#(nil())
    mark#(s(X)) -> active#(s(mark(X))) ->
    active#(2nd(cons(X,XS))) -> mark#(head(XS))
    mark#(s(X)) -> active#(s(mark(X))) ->
    active#(2nd(cons(X,XS))) -> head#(XS)
    mark#(s(X)) -> active#(s(mark(X))) ->
    active#(head(cons(X,XS))) -> mark#(X)
    mark#(s(X)) -> active#(s(mark(X))) ->
    active#(from(X)) -> mark#(cons(X,from(s(X))))
    mark#(s(X)) -> active#(s(mark(X))) ->
    active#(from(X)) -> cons#(X,from(s(X)))
    mark#(s(X)) -> active#(s(mark(X))) ->
    active#(from(X)) -> from#(s(X))
    mark#(s(X)) -> active#(s(mark(X))) -> active#(from(X)) -> s#(X)
    mark#(from(X)) -> mark#(X) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    mark#(from(X)) -> mark#(X) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    mark#(from(X)) -> mark#(X) -> mark#(sel(X1,X2)) -> mark#(X1)
    mark#(from(X)) -> mark#(X) -> mark#(sel(X1,X2)) -> mark#(X2)
    mark#(from(X)) -> mark#(X) -> mark#(nil()) -> active#(nil())
    mark#(from(X)) -> mark#(X) -> mark#(0()) -> active#(0())
    mark#(from(X)) -> mark#(X) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    mark#(from(X)) -> mark#(X) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    mark#(from(X)) -> mark#(X) -> mark#(take(X1,X2)) -> mark#(X1)
    mark#(from(X)) -> mark#(X) -> mark#(take(X1,X2)) -> mark#(X2)
    mark#(from(X)) -> mark#(X) -> mark#(2nd(X)) -> active#(2nd(mark(X)))
    mark#(from(X)) -> mark#(X) -> mark#(2nd(X)) -> 2nd#(mark(X))
    mark#(from(X)) -> mark#(X) -> mark#(2nd(X)) -> mark#(X)
    mark#(from(X)) -> mark#(X) ->
    mark#(head(X)) -> active#(head(mark(X)))
    mark#(from(X)) -> mark#(X) -> mark#(head(X)) -> head#(mark(X))
    mark#(from(X)) -> mark#(X) -> mark#(head(X)) -> mark#(X)
    mark#(from(X)) -> mark#(X) -> mark#(s(X)) -> active#(s(mark(X)))
    mark#(from(X)) -> mark#(X) -> mark#(s(X)) -> s#(mark(X))
    mark#(from(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    mark#(from(X)) -> mark#(X) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    mark#(from(X)) -> mark#(X) ->
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    mark#(from(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    mark#(from(X)) -> mark#(X) ->
    mark#(from(X)) -> active#(from(mark(X)))
    mark#(from(X)) -> mark#(X) -> mark#(from(X)) -> from#(mark(X))
    mark#(from(X)) -> mark#(X) -> mark#(from(X)) -> mark#(X)
    mark#(from(X)) -> from#(mark(X)) ->
    from#(active(X)) -> from#(X)
    mark#(from(X)) -> from#(mark(X)) ->
    from#(mark(X)) -> from#(X)
    mark#(from(X)) -> active#(from(mark(X))) ->
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS))
    mark#(from(X)) -> active#(from(mark(X))) ->
    active#(sel(s(N),cons(X,XS))) -> sel#(N,XS)
    mark#(from(X)) -> active#(from(mark(X))) ->
    active#(sel(0(),cons(X,XS))) -> mark#(X)
    mark#(from(X)) -> active#(from(mark(X))) ->
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS)))
    mark#(from(X)) -> active#(from(mark(X))) ->
    active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS))
    mark#(from(X)) -> active#(from(mark(X))) ->
    active#(take(s(N),cons(X,XS))) -> take#(N,XS)
    mark#(from(X)) -> active#(from(mark(X))) ->
    active#(take(0(),XS)) -> mark#(nil())
    mark#(from(X)) -> active#(from(mark(X))) ->
    active#(2nd(cons(X,XS))) -> mark#(head(XS))
    mark#(from(X)) -> active#(from(mark(X))) ->
    active#(2nd(cons(X,XS))) -> head#(XS)
    mark#(from(X)) -> active#(from(mark(X))) ->
    active#(head(cons(X,XS))) -> mark#(X)
    mark#(from(X)) -> active#(from(mark(X))) ->
    active#(from(X)) -> mark#(cons(X,from(s(X))))
    mark#(from(X)) -> active#(from(mark(X))) ->
    active#(from(X)) -> cons#(X,from(s(X)))
    mark#(from(X)) -> active#(from(mark(X))) ->
    active#(from(X)) -> from#(s(X))
    mark#(from(X)) -> active#(from(mark(X))) ->
    active#(from(X)) -> s#(X)
    cons#(mark(X1),X2) -> cons#(X1,X2) ->
    cons#(X1,active(X2)) -> cons#(X1,X2)
    cons#(mark(X1),X2) -> cons#(X1,X2) ->
    cons#(active(X1),X2) -> cons#(X1,X2)
    cons#(mark(X1),X2) -> cons#(X1,X2) ->
    cons#(X1,mark(X2)) -> cons#(X1,X2)
    cons#(mark(X1),X2) -> cons#(X1,X2) ->
    cons#(mark(X1),X2) -> cons#(X1,X2)
    cons#(active(X1),X2) -> cons#(X1,X2) ->
    cons#(X1,active(X2)) -> cons#(X1,X2)
    cons#(active(X1),X2) -> cons#(X1,X2) ->
    cons#(active(X1),X2) -> cons#(X1,X2)
    cons#(active(X1),X2) -> cons#(X1,X2) ->
    cons#(X1,mark(X2)) -> cons#(X1,X2)
    cons#(active(X1),X2) -> cons#(X1,X2) ->
    cons#(mark(X1),X2) -> cons#(X1,X2)
    cons#(X1,mark(X2)) -> cons#(X1,X2) ->
    cons#(X1,active(X2)) -> cons#(X1,X2)
    cons#(X1,mark(X2)) -> cons#(X1,X2) ->
    cons#(active(X1),X2) -> cons#(X1,X2)
    cons#(X1,mark(X2)) -> cons#(X1,X2) ->
    cons#(X1,mark(X2)) -> cons#(X1,X2)
    cons#(X1,mark(X2)) -> cons#(X1,X2) ->
    cons#(mark(X1),X2) -> cons#(X1,X2)
    cons#(X1,active(X2)) -> cons#(X1,X2) ->
    cons#(X1,active(X2)) -> cons#(X1,X2)
    cons#(X1,active(X2)) -> cons#(X1,X2) ->
    cons#(active(X1),X2) -> cons#(X1,X2)
    cons#(X1,active(X2)) -> cons#(X1,X2) ->
    cons#(X1,mark(X2)) -> cons#(X1,X2)
    cons#(X1,active(X2)) -> cons#(X1,X2) ->
    cons#(mark(X1),X2) -> cons#(X1,X2)
    from#(mark(X)) -> from#(X) -> from#(active(X)) -> from#(X)
    from#(mark(X)) -> from#(X) -> from#(mark(X)) -> from#(X)
    from#(active(X)) -> from#(X) -> from#(active(X)) -> from#(X)
    from#(active(X)) -> from#(X) -> from#(mark(X)) -> from#(X)
    s#(mark(X)) -> s#(X) -> s#(active(X)) -> s#(X)
    s#(mark(X)) -> s#(X) -> s#(mark(X)) -> s#(X)
    s#(active(X)) -> s#(X) -> s#(active(X)) -> s#(X)
    s#(active(X)) -> s#(X) -> s#(mark(X)) -> s#(X)
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(sel(X1,X2)) -> mark#(X1)
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(sel(X1,X2)) -> mark#(X2)
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(nil()) -> active#(nil())
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(0()) -> active#(0())
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(take(X1,X2)) -> mark#(X1)
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(take(X1,X2)) -> mark#(X2)
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(2nd(X)) -> active#(2nd(mark(X)))
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(2nd(X)) -> 2nd#(mark(X))
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(2nd(X)) -> mark#(X)
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(head(X)) -> active#(head(mark(X)))
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(head(X)) -> head#(mark(X))
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(head(X)) -> mark#(X)
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(s(X)) -> active#(s(mark(X)))
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(s(X)) -> s#(mark(X))
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(s(X)) -> mark#(X)
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(from(X)) -> active#(from(mark(X)))
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(from(X)) -> from#(mark(X))
    active#(sel(0(),cons(X,XS))) -> mark#(X) ->
    mark#(from(X)) -> mark#(X)
    active#(sel(s(N),cons(X,XS))) -> sel#(N,XS) ->
    sel#(X1,active(X2)) -> sel#(X1,X2)
    active#(sel(s(N),cons(X,XS))) -> sel#(N,XS) ->
    sel#(active(X1),X2) -> sel#(X1,X2)
    active#(sel(s(N),cons(X,XS))) -> sel#(N,XS) ->
    sel#(X1,mark(X2)) -> sel#(X1,X2)
    active#(sel(s(N),cons(X,XS))) -> sel#(N,XS) ->
    sel#(mark(X1),X2) -> sel#(X1,X2)
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(sel(X1,X2)) -> mark#(X1)
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(sel(X1,X2)) -> mark#(X2)
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(nil()) -> active#(nil())
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(0()) -> active#(0())
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(take(X1,X2)) -> mark#(X1)
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(take(X1,X2)) -> mark#(X2)
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(2nd(X)) -> active#(2nd(mark(X)))
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(2nd(X)) -> 2nd#(mark(X))
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(2nd(X)) -> mark#(X)
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(head(X)) -> active#(head(mark(X)))
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(head(X)) -> head#(mark(X))
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(head(X)) -> mark#(X)
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(s(X)) -> active#(s(mark(X)))
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(s(X)) -> s#(mark(X))
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(s(X)) -> mark#(X)
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(from(X)) -> active#(from(mark(X)))
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(from(X)) -> from#(mark(X))
    active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS)) ->
    mark#(from(X)) -> mark#(X)
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(sel(X1,X2)) -> mark#(X1)
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(sel(X1,X2)) -> mark#(X2)
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(nil()) -> active#(nil())
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(0()) -> active#(0())
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(take(X1,X2)) -> mark#(X1)
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(take(X1,X2)) -> mark#(X2)
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(2nd(X)) -> active#(2nd(mark(X)))
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(2nd(X)) -> 2nd#(mark(X))
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(2nd(X)) -> mark#(X)
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(head(X)) -> active#(head(mark(X)))
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(head(X)) -> head#(mark(X))
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(head(X)) -> mark#(X)
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(s(X)) -> active#(s(mark(X)))
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(s(X)) -> s#(mark(X))
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(s(X)) -> mark#(X)
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(from(X)) -> active#(from(mark(X)))
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(from(X)) -> from#(mark(X))
    active#(take(0(),XS)) -> mark#(nil()) ->
    mark#(from(X)) -> mark#(X)
    active#(take(s(N),cons(X,XS))) -> take#(N,XS) ->
    take#(X1,active(X2)) -> take#(X1,X2)
    active#(take(s(N),cons(X,XS))) -> take#(N,XS) ->
    take#(active(X1),X2) -> take#(X1,X2)
    active#(take(s(N),cons(X,XS))) -> take#(N,XS) ->
    take#(X1,mark(X2)) -> take#(X1,X2)
    active#(take(s(N),cons(X,XS))) -> take#(N,XS) ->
    take#(mark(X1),X2) -> take#(X1,X2)
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(sel(X1,X2)) -> mark#(X1)
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(sel(X1,X2)) -> mark#(X2)
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(nil()) -> active#(nil())
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(0()) -> active#(0())
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(take(X1,X2)) -> mark#(X1)
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(take(X1,X2)) -> mark#(X2)
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(2nd(X)) -> active#(2nd(mark(X)))
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(2nd(X)) -> 2nd#(mark(X))
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(2nd(X)) -> mark#(X)
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(head(X)) -> active#(head(mark(X)))
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(head(X)) -> head#(mark(X))
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(head(X)) -> mark#(X)
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(s(X)) -> active#(s(mark(X)))
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(s(X)) -> s#(mark(X))
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(s(X)) -> mark#(X)
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(from(X)) -> active#(from(mark(X)))
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(from(X)) -> from#(mark(X))
    active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS))) ->
    mark#(from(X)) -> mark#(X)
    active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS)) ->
    cons#(X1,active(X2)) -> cons#(X1,X2)
    active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS)) ->
    cons#(active(X1),X2) -> cons#(X1,X2)
    active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS)) ->
    cons#(X1,mark(X2)) -> cons#(X1,X2)
    active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS)) ->
    cons#(mark(X1),X2) -> cons#(X1,X2)
    active#(2nd(cons(X,XS))) -> head#(XS) ->
    head#(active(X)) -> head#(X)
    active#(2nd(cons(X,XS))) -> head#(XS) ->
    head#(mark(X)) -> head#(X)
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(sel(X1,X2)) -> mark#(X1)
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(sel(X1,X2)) -> mark#(X2)
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(nil()) -> active#(nil())
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(0()) -> active#(0())
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(take(X1,X2)) -> mark#(X1)
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(take(X1,X2)) -> mark#(X2)
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(2nd(X)) -> active#(2nd(mark(X)))
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(2nd(X)) -> 2nd#(mark(X))
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(2nd(X)) -> mark#(X)
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(head(X)) -> active#(head(mark(X)))
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(head(X)) -> head#(mark(X))
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(head(X)) -> mark#(X)
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(s(X)) -> active#(s(mark(X)))
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(s(X)) -> s#(mark(X))
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(s(X)) -> mark#(X)
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(from(X)) -> active#(from(mark(X)))
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(from(X)) -> from#(mark(X))
    active#(2nd(cons(X,XS))) -> mark#(head(XS)) ->
    mark#(from(X)) -> mark#(X)
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(sel(X1,X2)) -> mark#(X1)
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(sel(X1,X2)) -> mark#(X2)
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(nil()) -> active#(nil())
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(0()) -> active#(0())
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(take(X1,X2)) -> mark#(X1)
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(take(X1,X2)) -> mark#(X2)
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(2nd(X)) -> active#(2nd(mark(X)))
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(2nd(X)) -> 2nd#(mark(X))
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(2nd(X)) -> mark#(X)
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(head(X)) -> active#(head(mark(X)))
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(head(X)) -> head#(mark(X))
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(head(X)) -> mark#(X)
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(s(X)) -> active#(s(mark(X)))
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(s(X)) -> s#(mark(X))
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(s(X)) -> mark#(X)
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(from(X)) -> active#(from(mark(X)))
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(from(X)) -> from#(mark(X))
    active#(head(cons(X,XS))) -> mark#(X) ->
    mark#(from(X)) -> mark#(X)
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(sel(X1,X2)) -> mark#(X1)
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(sel(X1,X2)) -> mark#(X2)
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(nil()) -> active#(nil())
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(0()) -> active#(0())
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(take(X1,X2)) -> mark#(X1)
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(take(X1,X2)) -> mark#(X2)
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(2nd(X)) -> active#(2nd(mark(X)))
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(2nd(X)) -> 2nd#(mark(X))
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(2nd(X)) -> mark#(X)
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(head(X)) -> active#(head(mark(X)))
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(head(X)) -> head#(mark(X))
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(head(X)) -> mark#(X)
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(s(X)) -> active#(s(mark(X)))
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(s(X)) -> s#(mark(X))
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(s(X)) -> mark#(X)
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(from(X)) -> active#(from(mark(X)))
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(from(X)) -> from#(mark(X))
    active#(from(X)) -> mark#(cons(X,from(s(X)))) ->
    mark#(from(X)) -> mark#(X)
    active#(from(X)) -> cons#(X,from(s(X))) ->
    cons#(X1,active(X2)) -> cons#(X1,X2)
    active#(from(X)) -> cons#(X,from(s(X))) ->
    cons#(active(X1),X2) -> cons#(X1,X2)
    active#(from(X)) -> cons#(X,from(s(X))) ->
    cons#(X1,mark(X2)) -> cons#(X1,X2)
    active#(from(X)) -> cons#(X,from(s(X))) ->
    cons#(mark(X1),X2) -> cons#(X1,X2)
    active#(from(X)) -> from#(s(X)) -> from#(active(X)) -> from#(X)
    active#(from(X)) -> from#(s(X)) -> from#(mark(X)) -> from#(X)
    active#(from(X)) -> s#(X) -> s#(active(X)) -> s#(X)
    active#(from(X)) -> s#(X) -> s#(mark(X)) -> s#(X)
   Restore Modifier:
    DPs:
     active#(from(X)) -> s#(X)
     active#(from(X)) -> from#(s(X))
     active#(from(X)) -> cons#(X,from(s(X)))
     active#(from(X)) -> mark#(cons(X,from(s(X))))
     active#(head(cons(X,XS))) -> mark#(X)
     active#(2nd(cons(X,XS))) -> head#(XS)
     active#(2nd(cons(X,XS))) -> mark#(head(XS))
     active#(take(0(),XS)) -> mark#(nil())
     active#(take(s(N),cons(X,XS))) -> take#(N,XS)
     active#(take(s(N),cons(X,XS))) -> cons#(X,take(N,XS))
     active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS)))
     active#(sel(0(),cons(X,XS))) -> mark#(X)
     active#(sel(s(N),cons(X,XS))) -> sel#(N,XS)
     active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS))
     mark#(from(X)) -> mark#(X)
     mark#(from(X)) -> from#(mark(X))
     mark#(from(X)) -> active#(from(mark(X)))
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(cons(X1,X2)) -> cons#(mark(X1),X2)
     mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
     mark#(s(X)) -> mark#(X)
     mark#(s(X)) -> s#(mark(X))
     mark#(s(X)) -> active#(s(mark(X)))
     mark#(head(X)) -> mark#(X)
     mark#(head(X)) -> head#(mark(X))
     mark#(head(X)) -> active#(head(mark(X)))
     mark#(2nd(X)) -> mark#(X)
     mark#(2nd(X)) -> 2nd#(mark(X))
     mark#(2nd(X)) -> active#(2nd(mark(X)))
     mark#(take(X1,X2)) -> mark#(X2)
     mark#(take(X1,X2)) -> mark#(X1)
     mark#(take(X1,X2)) -> take#(mark(X1),mark(X2))
     mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
     mark#(0()) -> active#(0())
     mark#(nil()) -> active#(nil())
     mark#(sel(X1,X2)) -> mark#(X2)
     mark#(sel(X1,X2)) -> mark#(X1)
     mark#(sel(X1,X2)) -> sel#(mark(X1),mark(X2))
     mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
     from#(mark(X)) -> from#(X)
     from#(active(X)) -> from#(X)
     cons#(mark(X1),X2) -> cons#(X1,X2)
     cons#(X1,mark(X2)) -> cons#(X1,X2)
     cons#(active(X1),X2) -> cons#(X1,X2)
     cons#(X1,active(X2)) -> cons#(X1,X2)
     s#(mark(X)) -> s#(X)
     s#(active(X)) -> s#(X)
     head#(mark(X)) -> head#(X)
     head#(active(X)) -> head#(X)
     2nd#(mark(X)) -> 2nd#(X)
     2nd#(active(X)) -> 2nd#(X)
     take#(mark(X1),X2) -> take#(X1,X2)
     take#(X1,mark(X2)) -> take#(X1,X2)
     take#(active(X1),X2) -> take#(X1,X2)
     take#(X1,active(X2)) -> take#(X1,X2)
     sel#(mark(X1),X2) -> sel#(X1,X2)
     sel#(X1,mark(X2)) -> sel#(X1,X2)
     sel#(active(X1),X2) -> sel#(X1,X2)
     sel#(X1,active(X2)) -> sel#(X1,X2)
    TRS:
     active(from(X)) -> mark(cons(X,from(s(X))))
     active(head(cons(X,XS))) -> mark(X)
     active(2nd(cons(X,XS))) -> mark(head(XS))
     active(take(0(),XS)) -> mark(nil())
     active(take(s(N),cons(X,XS))) -> mark(cons(X,take(N,XS)))
     active(sel(0(),cons(X,XS))) -> mark(X)
     active(sel(s(N),cons(X,XS))) -> mark(sel(N,XS))
     mark(from(X)) -> active(from(mark(X)))
     mark(cons(X1,X2)) -> active(cons(mark(X1),X2))
     mark(s(X)) -> active(s(mark(X)))
     mark(head(X)) -> active(head(mark(X)))
     mark(2nd(X)) -> active(2nd(mark(X)))
     mark(take(X1,X2)) -> active(take(mark(X1),mark(X2)))
     mark(0()) -> active(0())
     mark(nil()) -> active(nil())
     mark(sel(X1,X2)) -> active(sel(mark(X1),mark(X2)))
     from(mark(X)) -> from(X)
     from(active(X)) -> from(X)
     cons(mark(X1),X2) -> cons(X1,X2)
     cons(X1,mark(X2)) -> cons(X1,X2)
     cons(active(X1),X2) -> cons(X1,X2)
     cons(X1,active(X2)) -> cons(X1,X2)
     s(mark(X)) -> s(X)
     s(active(X)) -> s(X)
     head(mark(X)) -> head(X)
     head(active(X)) -> head(X)
     2nd(mark(X)) -> 2nd(X)
     2nd(active(X)) -> 2nd(X)
     take(mark(X1),X2) -> take(X1,X2)
     take(X1,mark(X2)) -> take(X1,X2)
     take(active(X1),X2) -> take(X1,X2)
     take(X1,active(X2)) -> take(X1,X2)
     sel(mark(X1),X2) -> sel(X1,X2)
     sel(X1,mark(X2)) -> sel(X1,X2)
     sel(active(X1),X2) -> sel(X1,X2)
     sel(X1,active(X2)) -> sel(X1,X2)
    SCC Processor:
     #sccs: 8
     #rules: 45
     #arcs: 632/3481
     DPs:
      mark#(sel(X1,X2)) -> mark#(X2)
      mark#(from(X)) -> mark#(X)
      mark#(from(X)) -> active#(from(mark(X)))
      active#(from(X)) -> mark#(cons(X,from(s(X))))
      mark#(cons(X1,X2)) -> mark#(X1)
      mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2))
      active#(head(cons(X,XS))) -> mark#(X)
      mark#(s(X)) -> mark#(X)
      mark#(s(X)) -> active#(s(mark(X)))
      active#(2nd(cons(X,XS))) -> mark#(head(XS))
      mark#(head(X)) -> mark#(X)
      mark#(head(X)) -> active#(head(mark(X)))
      active#(take(0(),XS)) -> mark#(nil())
      mark#(2nd(X)) -> mark#(X)
      mark#(2nd(X)) -> active#(2nd(mark(X)))
      active#(take(s(N),cons(X,XS))) -> mark#(cons(X,take(N,XS)))
      mark#(take(X1,X2)) -> mark#(X2)
      mark#(take(X1,X2)) -> mark#(X1)
      mark#(take(X1,X2)) -> active#(take(mark(X1),mark(X2)))
      active#(sel(0(),cons(X,XS))) -> mark#(X)
      mark#(0()) -> active#(0())
      active#(sel(s(N),cons(X,XS))) -> mark#(sel(N,XS))
      mark#(nil()) -> active#(nil())
      mark#(sel(X1,X2)) -> mark#(X1)
      mark#(sel(X1,X2)) -> active#(sel(mark(X1),mark(X2)))
     TRS:
      active(from(X)) -> mark(cons(X,from(s(X))))
      active(head(cons(X,XS))) -> mark(X)
      active(2nd(cons(X,XS))) -> mark(head(XS))
      active(take(0(),XS)) -> mark(nil())
      active(take(s(N),cons(X,XS))) -> mark(cons(X,take(N,XS)))
      active(sel(0(),cons(X,XS))) -> mark(X)
      active(sel(s(N),cons(X,XS))) -> mark(sel(N,XS))
      mark(from(X)) -> active(from(mark(X)))
      mark(cons(X1,X2)) -> active(cons(mark(X1),X2))
      mark(s(X)) -> active(s(mark(X)))
      mark(head(X)) -> active(head(mark(X)))
      mark(2nd(X)) -> active(2nd(mark(X)))
      mark(take(X1,X2)) -> active(take(mark(X1),mark(X2)))
      mark(0()) -> active(0())
      mark(nil()) -> active(nil())
      mark(sel(X1,X2)) -> active(sel(mark(X1),mark(X2)))
      from(mark(X)) -> from(X)
      from(active(X)) -> from(X)
      cons(mark(X1),X2) -> cons(X1,X2)
      cons(X1,mark(X2)) -> cons(X1,X2)
      cons(active(X1),X2) -> cons(X1,X2)
      cons(X1,active(X2)) -> cons(X1,X2)
      s(mark(X)) -> s(X)
      s(active(X)) -> s(X)
      head(mark(X)) -> head(X)
      head(active(X)) -> head(X)
      2nd(mark(X)) -> 2nd(X)
      2nd(active(X)) -> 2nd(X)
      take(mark(X1),X2) -> take(X1,X2)
      take(X1,mark(X2)) -> take(X1,X2)
      take(active(X1),X2) -> take(X1,X2)
      take(X1,active(X2)) -> take(X1,X2)
      sel(mark(X1),X2) -> sel(X1,X2)
      sel(X1,mark(X2)) -> sel(X1,X2)
      sel(active(X1),X2) -> sel(X1,X2)
      sel(X1,active(X2)) -> sel(X1,X2)
     Open
     
     DPs:
      cons#(mark(X1),X2) -> cons#(X1,X2)
      cons#(X1,mark(X2)) -> cons#(X1,X2)
      cons#(active(X1),X2) -> cons#(X1,X2)
      cons#(X1,active(X2)) -> cons#(X1,X2)
     TRS:
      active(from(X)) -> mark(cons(X,from(s(X))))
      active(head(cons(X,XS))) -> mark(X)
      active(2nd(cons(X,XS))) -> mark(head(XS))
      active(take(0(),XS)) -> mark(nil())
      active(take(s(N),cons(X,XS))) -> mark(cons(X,take(N,XS)))
      active(sel(0(),cons(X,XS))) -> mark(X)
      active(sel(s(N),cons(X,XS))) -> mark(sel(N,XS))
      mark(from(X)) -> active(from(mark(X)))
      mark(cons(X1,X2)) -> active(cons(mark(X1),X2))
      mark(s(X)) -> active(s(mark(X)))
      mark(head(X)) -> active(head(mark(X)))
      mark(2nd(X)) -> active(2nd(mark(X)))
      mark(take(X1,X2)) -> active(take(mark(X1),mark(X2)))
      mark(0()) -> active(0())
      mark(nil()) -> active(nil())
      mark(sel(X1,X2)) -> active(sel(mark(X1),mark(X2)))
      from(mark(X)) -> from(X)
      from(active(X)) -> from(X)
      cons(mark(X1),X2) -> cons(X1,X2)
      cons(X1,mark(X2)) -> cons(X1,X2)
      cons(active(X1),X2) -> cons(X1,X2)
      cons(X1,active(X2)) -> cons(X1,X2)
      s(mark(X)) -> s(X)
      s(active(X)) -> s(X)
      head(mark(X)) -> head(X)
      head(active(X)) -> head(X)
      2nd(mark(X)) -> 2nd(X)
      2nd(active(X)) -> 2nd(X)
      take(mark(X1),X2) -> take(X1,X2)
      take(X1,mark(X2)) -> take(X1,X2)
      take(active(X1),X2) -> take(X1,X2)
      take(X1,active(X2)) -> take(X1,X2)
      sel(mark(X1),X2) -> sel(X1,X2)
      sel(X1,mark(X2)) -> sel(X1,X2)
      sel(active(X1),X2) -> sel(X1,X2)
      sel(X1,active(X2)) -> sel(X1,X2)
     Open
     
     DPs:
      s#(mark(X)) -> s#(X)
      s#(active(X)) -> s#(X)
     TRS:
      active(from(X)) -> mark(cons(X,from(s(X))))
      active(head(cons(X,XS))) -> mark(X)
      active(2nd(cons(X,XS))) -> mark(head(XS))
      active(take(0(),XS)) -> mark(nil())
      active(take(s(N),cons(X,XS))) -> mark(cons(X,take(N,XS)))
      active(sel(0(),cons(X,XS))) -> mark(X)
      active(sel(s(N),cons(X,XS))) -> mark(sel(N,XS))
      mark(from(X)) -> active(from(mark(X)))
      mark(cons(X1,X2)) -> active(cons(mark(X1),X2))
      mark(s(X)) -> active(s(mark(X)))
      mark(head(X)) -> active(head(mark(X)))
      mark(2nd(X)) -> active(2nd(mark(X)))
      mark(take(X1,X2)) -> active(take(mark(X1),mark(X2)))
      mark(0()) -> active(0())
      mark(nil()) -> active(nil())
      mark(sel(X1,X2)) -> active(sel(mark(X1),mark(X2)))
      from(mark(X)) -> from(X)
      from(active(X)) -> from(X)
      cons(mark(X1),X2) -> cons(X1,X2)
      cons(X1,mark(X2)) -> cons(X1,X2)
      cons(active(X1),X2) -> cons(X1,X2)
      cons(X1,active(X2)) -> cons(X1,X2)
      s(mark(X)) -> s(X)
      s(active(X)) -> s(X)
      head(mark(X)) -> head(X)
      head(active(X)) -> head(X)
      2nd(mark(X)) -> 2nd(X)
      2nd(active(X)) -> 2nd(X)
      take(mark(X1),X2) -> take(X1,X2)
      take(X1,mark(X2)) -> take(X1,X2)
      take(active(X1),X2) -> take(X1,X2)
      take(X1,active(X2)) -> take(X1,X2)
      sel(mark(X1),X2) -> sel(X1,X2)
      sel(X1,mark(X2)) -> sel(X1,X2)
      sel(active(X1),X2) -> sel(X1,X2)
      sel(X1,active(X2)) -> sel(X1,X2)
     Open
     
     DPs:
      from#(mark(X)) -> from#(X)
      from#(active(X)) -> from#(X)
     TRS:
      active(from(X)) -> mark(cons(X,from(s(X))))
      active(head(cons(X,XS))) -> mark(X)
      active(2nd(cons(X,XS))) -> mark(head(XS))
      active(take(0(),XS)) -> mark(nil())
      active(take(s(N),cons(X,XS))) -> mark(cons(X,take(N,XS)))
      active(sel(0(),cons(X,XS))) -> mark(X)
      active(sel(s(N),cons(X,XS))) -> mark(sel(N,XS))
      mark(from(X)) -> active(from(mark(X)))
      mark(cons(X1,X2)) -> active(cons(mark(X1),X2))
      mark(s(X)) -> active(s(mark(X)))
      mark(head(X)) -> active(head(mark(X)))
      mark(2nd(X)) -> active(2nd(mark(X)))
      mark(take(X1,X2)) -> active(take(mark(X1),mark(X2)))
      mark(0()) -> active(0())
      mark(nil()) -> active(nil())
      mark(sel(X1,X2)) -> active(sel(mark(X1),mark(X2)))
      from(mark(X)) -> from(X)
      from(active(X)) -> from(X)
      cons(mark(X1),X2) -> cons(X1,X2)
      cons(X1,mark(X2)) -> cons(X1,X2)
      cons(active(X1),X2) -> cons(X1,X2)
      cons(X1,active(X2)) -> cons(X1,X2)
      s(mark(X)) -> s(X)
      s(active(X)) -> s(X)
      head(mark(X)) -> head(X)
      head(active(X)) -> head(X)
      2nd(mark(X)) -> 2nd(X)
      2nd(active(X)) -> 2nd(X)
      take(mark(X1),X2) -> take(X1,X2)
      take(X1,mark(X2)) -> take(X1,X2)
      take(active(X1),X2) -> take(X1,X2)
      take(X1,active(X2)) -> take(X1,X2)
      sel(mark(X1),X2) -> sel(X1,X2)
      sel(X1,mark(X2)) -> sel(X1,X2)
      sel(active(X1),X2) -> sel(X1,X2)
      sel(X1,active(X2)) -> sel(X1,X2)
     Open
     
     DPs:
      head#(mark(X)) -> head#(X)
      head#(active(X)) -> head#(X)
     TRS:
      active(from(X)) -> mark(cons(X,from(s(X))))
      active(head(cons(X,XS))) -> mark(X)
      active(2nd(cons(X,XS))) -> mark(head(XS))
      active(take(0(),XS)) -> mark(nil())
      active(take(s(N),cons(X,XS))) -> mark(cons(X,take(N,XS)))
      active(sel(0(),cons(X,XS))) -> mark(X)
      active(sel(s(N),cons(X,XS))) -> mark(sel(N,XS))
      mark(from(X)) -> active(from(mark(X)))
      mark(cons(X1,X2)) -> active(cons(mark(X1),X2))
      mark(s(X)) -> active(s(mark(X)))
      mark(head(X)) -> active(head(mark(X)))
      mark(2nd(X)) -> active(2nd(mark(X)))
      mark(take(X1,X2)) -> active(take(mark(X1),mark(X2)))
      mark(0()) -> active(0())
      mark(nil()) -> active(nil())
      mark(sel(X1,X2)) -> active(sel(mark(X1),mark(X2)))
      from(mark(X)) -> from(X)
      from(active(X)) -> from(X)
      cons(mark(X1),X2) -> cons(X1,X2)
      cons(X1,mark(X2)) -> cons(X1,X2)
      cons(active(X1),X2) -> cons(X1,X2)
      cons(X1,active(X2)) -> cons(X1,X2)
      s(mark(X)) -> s(X)
      s(active(X)) -> s(X)
      head(mark(X)) -> head(X)
      head(active(X)) -> head(X)
      2nd(mark(X)) -> 2nd(X)
      2nd(active(X)) -> 2nd(X)
      take(mark(X1),X2) -> take(X1,X2)
      take(X1,mark(X2)) -> take(X1,X2)
      take(active(X1),X2) -> take(X1,X2)
      take(X1,active(X2)) -> take(X1,X2)
      sel(mark(X1),X2) -> sel(X1,X2)
      sel(X1,mark(X2)) -> sel(X1,X2)
      sel(active(X1),X2) -> sel(X1,X2)
      sel(X1,active(X2)) -> sel(X1,X2)
     Open
     
     DPs:
      take#(mark(X1),X2) -> take#(X1,X2)
      take#(X1,mark(X2)) -> take#(X1,X2)
      take#(active(X1),X2) -> take#(X1,X2)
      take#(X1,active(X2)) -> take#(X1,X2)
     TRS:
      active(from(X)) -> mark(cons(X,from(s(X))))
      active(head(cons(X,XS))) -> mark(X)
      active(2nd(cons(X,XS))) -> mark(head(XS))
      active(take(0(),XS)) -> mark(nil())
      active(take(s(N),cons(X,XS))) -> mark(cons(X,take(N,XS)))
      active(sel(0(),cons(X,XS))) -> mark(X)
      active(sel(s(N),cons(X,XS))) -> mark(sel(N,XS))
      mark(from(X)) -> active(from(mark(X)))
      mark(cons(X1,X2)) -> active(cons(mark(X1),X2))
      mark(s(X)) -> active(s(mark(X)))
      mark(head(X)) -> active(head(mark(X)))
      mark(2nd(X)) -> active(2nd(mark(X)))
      mark(take(X1,X2)) -> active(take(mark(X1),mark(X2)))
      mark(0()) -> active(0())
      mark(nil()) -> active(nil())
      mark(sel(X1,X2)) -> active(sel(mark(X1),mark(X2)))
      from(mark(X)) -> from(X)
      from(active(X)) -> from(X)
      cons(mark(X1),X2) -> cons(X1,X2)
      cons(X1,mark(X2)) -> cons(X1,X2)
      cons(active(X1),X2) -> cons(X1,X2)
      cons(X1,active(X2)) -> cons(X1,X2)
      s(mark(X)) -> s(X)
      s(active(X)) -> s(X)
      head(mark(X)) -> head(X)
      head(active(X)) -> head(X)
      2nd(mark(X)) -> 2nd(X)
      2nd(active(X)) -> 2nd(X)
      take(mark(X1),X2) -> take(X1,X2)
      take(X1,mark(X2)) -> take(X1,X2)
      take(active(X1),X2) -> take(X1,X2)
      take(X1,active(X2)) -> take(X1,X2)
      sel(mark(X1),X2) -> sel(X1,X2)
      sel(X1,mark(X2)) -> sel(X1,X2)
      sel(active(X1),X2) -> sel(X1,X2)
      sel(X1,active(X2)) -> sel(X1,X2)
     Open
     
     DPs:
      sel#(mark(X1),X2) -> sel#(X1,X2)
      sel#(X1,mark(X2)) -> sel#(X1,X2)
      sel#(active(X1),X2) -> sel#(X1,X2)
      sel#(X1,active(X2)) -> sel#(X1,X2)
     TRS:
      active(from(X)) -> mark(cons(X,from(s(X))))
      active(head(cons(X,XS))) -> mark(X)
      active(2nd(cons(X,XS))) -> mark(head(XS))
      active(take(0(),XS)) -> mark(nil())
      active(take(s(N),cons(X,XS))) -> mark(cons(X,take(N,XS)))
      active(sel(0(),cons(X,XS))) -> mark(X)
      active(sel(s(N),cons(X,XS))) -> mark(sel(N,XS))
      mark(from(X)) -> active(from(mark(X)))
      mark(cons(X1,X2)) -> active(cons(mark(X1),X2))
      mark(s(X)) -> active(s(mark(X)))
      mark(head(X)) -> active(head(mark(X)))
      mark(2nd(X)) -> active(2nd(mark(X)))
      mark(take(X1,X2)) -> active(take(mark(X1),mark(X2)))
      mark(0()) -> active(0())
      mark(nil()) -> active(nil())
      mark(sel(X1,X2)) -> active(sel(mark(X1),mark(X2)))
      from(mark(X)) -> from(X)
      from(active(X)) -> from(X)
      cons(mark(X1),X2) -> cons(X1,X2)
      cons(X1,mark(X2)) -> cons(X1,X2)
      cons(active(X1),X2) -> cons(X1,X2)
      cons(X1,active(X2)) -> cons(X1,X2)
      s(mark(X)) -> s(X)
      s(active(X)) -> s(X)
      head(mark(X)) -> head(X)
      head(active(X)) -> head(X)
      2nd(mark(X)) -> 2nd(X)
      2nd(active(X)) -> 2nd(X)
      take(mark(X1),X2) -> take(X1,X2)
      take(X1,mark(X2)) -> take(X1,X2)
      take(active(X1),X2) -> take(X1,X2)
      take(X1,active(X2)) -> take(X1,X2)
      sel(mark(X1),X2) -> sel(X1,X2)
      sel(X1,mark(X2)) -> sel(X1,X2)
      sel(active(X1),X2) -> sel(X1,X2)
      sel(X1,active(X2)) -> sel(X1,X2)
     Open
     
     DPs:
      2nd#(mark(X)) -> 2nd#(X)
      2nd#(active(X)) -> 2nd#(X)
     TRS:
      active(from(X)) -> mark(cons(X,from(s(X))))
      active(head(cons(X,XS))) -> mark(X)
      active(2nd(cons(X,XS))) -> mark(head(XS))
      active(take(0(),XS)) -> mark(nil())
      active(take(s(N),cons(X,XS))) -> mark(cons(X,take(N,XS)))
      active(sel(0(),cons(X,XS))) -> mark(X)
      active(sel(s(N),cons(X,XS))) -> mark(sel(N,XS))
      mark(from(X)) -> active(from(mark(X)))
      mark(cons(X1,X2)) -> active(cons(mark(X1),X2))
      mark(s(X)) -> active(s(mark(X)))
      mark(head(X)) -> active(head(mark(X)))
      mark(2nd(X)) -> active(2nd(mark(X)))
      mark(take(X1,X2)) -> active(take(mark(X1),mark(X2)))
      mark(0()) -> active(0())
      mark(nil()) -> active(nil())
      mark(sel(X1,X2)) -> active(sel(mark(X1),mark(X2)))
      from(mark(X)) -> from(X)
      from(active(X)) -> from(X)
      cons(mark(X1),X2) -> cons(X1,X2)
      cons(X1,mark(X2)) -> cons(X1,X2)
      cons(active(X1),X2) -> cons(X1,X2)
      cons(X1,active(X2)) -> cons(X1,X2)
      s(mark(X)) -> s(X)
      s(active(X)) -> s(X)
      head(mark(X)) -> head(X)
      head(active(X)) -> head(X)
      2nd(mark(X)) -> 2nd(X)
      2nd(active(X)) -> 2nd(X)
      take(mark(X1),X2) -> take(X1,X2)
      take(X1,mark(X2)) -> take(X1,X2)
      take(active(X1),X2) -> take(X1,X2)
      take(X1,active(X2)) -> take(X1,X2)
      sel(mark(X1),X2) -> sel(X1,X2)
      sel(X1,mark(X2)) -> sel(X1,X2)
      sel(active(X1),X2) -> sel(X1,X2)
      sel(X1,active(X2)) -> sel(X1,X2)
     Open