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_2 for which if x_2 plays a game, then x_2 is playing squash. For all x_2, if x_2 writes a letter, then x_2 is an office clerk. For all x_2, if x_2 were an office clerk, then x_2 is playing a game.
For all x_2, if x_2 writes a letter, then x_2 is playing a game. There is at least one x_2 for which if x_2 were an office clerk, then x_2 is playing squash.