What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? w_3 or ~U_1(a_19). p or R(a_19). forall x_4: R(x_4) -> U_1(x_4). p -> U_1(a_19).
U_1(a_19) -> w_3. R_1(a_19) -> p.