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_16 for which if x_16 plays a game, then x_16 is playing tennis. For all x_16, x_16 will play tennis if and only if x_16 will play squash. For all x_16, if x_16 plays squash, then x_16 is a taxi driver. For all x_16, x_16 will play a game.
There is at least one x_16 for which x_16 will play tennis. For all x_16, if x_16 plays tennis, then x_16 is playing squash. For all x_16, if x_16 plays squash, then x_16 is playing tennis.