What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If Thomas were an astronaut, then Patricia is playing tennis. For all x_8, x_8 will play tennis if and only if x_8 will drink water.
For all x_8, if x_8 plays tennis, then x_8 is drinking water. For all x_8, if x_8 drinks water, then x_8 is playing tennis.