YES TRS: w(r(x)) -> r(w(x)) b(r(x)) -> r(b(x)) b(w(x)) -> w(b(x)) linear polynomial interpretations on N: w_A(x1) = 1 w#_A(x1) = 1 r_A(x1) = 1 r#_A(x1) = 0 b_A(x1) = 1 b#_A(x1) = 2 precedence: b > w > r