What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? R_14(a_14). t_1. forall x_14: R_14(x_14) -> S_14(x_14).
R_14(a_14) and t_1. t_1 and R_14(a_14). exists x: R_14(x).