MAYBE
(ignored inputs)COMMENT TPDB SRS_Standard/Mixed_SRS/09
input TRS:
   [ a(b(a(?x))) -> b(b(b(a(?x)))),
     b(b(b(a(?x)))) -> a(a(a(b(?x)))) ]
TRS:
   [ a(b(a(?x))) -> b(b(b(a(?x)))),
     b(b(b(a(?x)))) -> a(a(a(b(?x)))) ]
unknown UNC Completion (Development Closed)
problems/955.trs: Failure(unknown UNC)
(120 msec.)