TRS:
 {                a__zeros() -> cons(0(), zeros()),
             a__and(tt(), X) -> mark(X),
            a__length(nil()) -> 0(),
       a__length(cons(N, L)) -> s(a__length(mark(L))),
            a__take(0(), IL) -> nil(),
  a__take(s(M), cons(N, IL)) -> cons(mark(N), take(M, IL)),
               mark(zeros()) -> a__zeros(),
           mark(and(X1, X2)) -> a__and(mark(X1), X2),
             mark(length(X)) -> a__length(mark(X)),
          mark(take(X1, X2)) -> a__take(mark(X1), mark(X2)),
          mark(cons(X1, X2)) -> cons(mark(X1), X2),
                   mark(0()) -> 0(),
                  mark(tt()) -> tt(),
                 mark(nil()) -> nil(),
                  mark(s(X)) -> s(mark(X)),
                  a__zeros() -> zeros(),
              a__and(X1, X2) -> and(X1, X2),
                a__length(X) -> length(X),
             a__take(X1, X2) -> take(X1, X2)}
 Fail