What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_7 for which x_7 will cook or x_7 will not play tennis. For all x_7, x_7 is a bartender or x_7 will play tennis. For all x_7, x_7 will cook if and only if x_7 is a bartender.
There is at least one x_7 for which if x_7 plays tennis, then x_7 is cooking. For all x_7, if x_7 cooks, then x_7 is a bartender. For all x_7, if x_7 were a bartender, then x_7 is cooking.