What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? S(h) -> t. forall x_3: U_4(x_3) <-> S(x_3). t -> U_4(h).
S(h) -> U_4(h). forall x_3: U_4(x_3) -> S(x_3). forall x_3: S(x_3) -> U_4(x_3).