(CONDITIONTYPE ORIENTED)
(VAR x)
(RULES
  a -> c
  a -> d
  b -> c
  b -> d
  c -> e
  c -> k
  d -> k
  f(x) -> x | x == e
  g(x, x) -> C | A == B
  h(x) -> i(x, x)
)
(COMMENT
  \cite{G14}, example 40
  PhD Thesis, not yet published
)