MAYBE (ignored inputs)COMMENT doi:10.1007/978-3-642-40885-4_22 [44] Example 9 submitted by: Tsubasa Suzuki , Takahito Aoto , and Yoshihito Toyama input TRS: [ a -> f(c), a -> h(c), f(?x) -> h(g(?x)), h(?x) -> f(g(?x)) ] TRS: [ a -> f(c), a -> h(c), f(?x) -> h(g(?x)), h(?x) -> f(g(?x)) ] problems/247.trs: Failure(unknown UNC) (0 msec.)