(CONDITIONTYPE ORIENTED)
(VAR x)
(RULES
  f(x) -> x | x == e, x == e'
  g(d, x, x) -> A
  h(x, x) -> g(x, x, f(k))
  c -> e'
  a -> c
  a -> d
  b -> c
  b -> d
  c -> e
  c -> l
  k -> l
  k -> m
  d -> m  
)
(COMMENT
  \cite{NSS12}, R'_3 of Example 5.22
  doi: 10.2168/LMCS-8(3:4)2012
)