What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_3, if x_3 cooks, then x_3 is playing squash. For all x_3, if x_3 plays tennis, then x_3 is cooking. There is at least one x_3 for which if x_3 plays squash, then x_3 is playing tennis.
For all x_3, if x_3 plays tennis, then x_3 is playing squash. There is at least one x_3 for which if x_3 plays squash, then x_3 is cooking. There is at least one x_3 for which if x_3 cooks, then x_3 is playing tennis.