MAYBE (ignored inputs)COMMENT from experiments for [44] submitted by: Tsubasa Suzuki , Takahito Aoto , and Yoshihito Toyama input TRS: [ a(?x) -> g(g(b(?x))), a(?x) -> g(c(?x)), b(?x) -> g(b(?x)) ] TRS: [ a(?x) -> g(g(b(?x))), a(?x) -> g(c(?x)), b(?x) -> g(b(?x)) ] Check distinct normal forms in critical pair closure...failed problems/238.trs: Failure(unknown UNC) (4 msec.)