YES
Input TRS:
      1: a(b(x)) -> b(a(x))
      2: a(c(x)) -> x
Number of strict rules: 2
Direct POLO(bPol) ... removes: 1 2
      a 	w: 2 * x1 + 1
      b 	w: 2 * x1 + 5
      c 	w: 2 * x1 + 1
Number of strict rules: 0