MAYBE
(ignored inputs)COMMENT submitted by: Takahito Aoto , Junichi Yoshida , and Yoshihito Toyama
Rewrite Rules:
   [ W(B(?x)) -> I(?x),
     B(S(?x)) -> S(?x),
     W(?x) -> I(?x) ]
Apply Direct Methods...
Inner CPs:
   [ W(S(?x_1)) = I(S(?x_1)) ]
Outer CPs:
   [ I(?x) = I(B(?x)) ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

Combined result: Can't judge
95.trs: Failure(unknown CR)
(0 msec.)