YES

# almost development closedness (van Oostrom 1997)

Consider the left-linear TRS R:

  F(G(x,A(),B())) -> x
  G(F(H(C(),D())),x,y) -> H(K1(x),K2(y))
  K1(A()) -> C()
  K2(B()) -> D()

R is left-linear and every critical pair is almost development closed