MAYBE (ignored inputs)COMMENT Cops #647 - #721: generated ground TRSs; evenly distributed in the UNR/UNC/NFP/CR hierarchy submitted by: Bertram Felgenhauer input TRS: [ b -> f(b), h(a,c) -> b, f(a) -> c, c -> a, c -> b ] TRS: [ b -> f(b), h(a,c) -> b, f(a) -> c, c -> a, c -> b ] problems/687.trs: Failure(unknown UNC) (0 msec.)