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, x_7 will listen to a song or x_7 will climb a mountain. For all x_7, if x_7 climbs a mountain, then x_7 is playing a game. For all x_7, if x_7 listens to a song, then x_7 is playing a game. For all x_7, x_7 is an office clerk.
For all x_7, x_7 will play a game.