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_6 for which x_6 will play a game if and only if x_6 will climb a mountain. For all x_6, if x_6 were an office clerk, then x_6 is a lawyer. For all x_6, if x_6 plays a game, then x_6 is an office clerk.
For all x_6, if x_6 plays a game, then x_6 is a lawyer. There is at least one x_6 for which if x_6 plays a game, then x_6 is climbing a mountain. There is at least one x_6 for which if x_6 climbs a mountain, then x_6 is playing a game.