What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x, x will go running if and only if x is a lawyer. If Susan goes running, then Richard is cooking. If Richard cooks, then Susan is a lawyer.
If Susan goes running, then Susan is a lawyer. For all x, if x goes running, then x is a lawyer. For all x, if x were a lawyer, then x is running.