What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_4, x_4 will play a game. There is at least one x_4 for which if x_4 plays a game, then x_4 is sleeping. For all x_4, x_4 will sleep or x_4 will not play squash.
There is at least one x_4 for which x_4 will sleep. For all x_4, if x_4 plays squash, then x_4 is sleeping.