What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_7, if x_7 plays squash, then x_7 is running. For all x_7, x_7 will play tennis if and only if x_7 will go running. For all x_7, if x_7 goes running, then x_7 is an astronaut. For all x_7, x_7 will play tennis or x_7 will play squash.
For all x_7, if x_7 plays squash, then x_7 is an astronaut. For all x_7, if x_7 plays tennis, then x_7 is running. For all x_7, if x_7 goes running, then x_7 is playing tennis.