What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall z: T(z) -> U_4(z). forall z: W_3(z) -> S_1(z). forall z: Q(z). forall z: W_3(z) or T(z). forall z: S_1(z) -> U_4(z).
forall z: W_3(z) -> U_4(z).