What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? s or R_19(a_19). q_3 -> ~r_10. forall x_19: R_19(x_19) -> S_19(x_19). s -> r_10. S_19(a_19) -> r_10.
R_1(a_19) -> s.