What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all y_2, if y_2 goes running, then y_2 is cooking. There is at least one y_2 for which y_2 will cook or y_2 will not go running. For all y_2, if y_2 cooks, then y_2 is running.
There is at least one y_2 for which if y_2 goes running, then y_2 is cooking. For all y_2, y_2 will go running if and only if y_2 will cook. For all y_2, y_2 will cook if and only if y_2 will go running.