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_1 for which if x_1 plays a game, then x_1 is running. For all x_1, if x_1 goes running, then x_1 is climbing a mountain. For all x_1, if x_1 climbs a mountain, then x_1 is playing a game.
For all x_1, if x_1 goes running, then x_1 is playing a game. There is at least one x_1 for which if x_1 plays a game, then x_1 is climbing a mountain. There is at least one x_1 for which if x_1 climbs a mountain, then x_1 is running.