What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_13, x_13 will sleep or x_13 will play a game. For all x_13, if x_13 plays a game, then x_13 is a lawyer. For all x_13, if x_13 sleeps, then x_13 is a lawyer.
For all x_13, x_13 is a lawyer.