MAYBE
MAYBE
TRS:
 {f(f(f(a(), f(a(), a())), a()), x) -> f(x, f(x, a()))}
 DUP: We consider a duplicating system.
  Trs:
   {f(f(f(a(), f(a(), a())), a()), x) -> f(x, f(x, a()))}
  Fail