What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all z, z is a musician or z is not a cashier. There is at least one z for which z will play a game or z is a cashier. For all z, z will not play a game.
There is at least one z for which z is a cashier. For all z, if z were a cashier, then z is a musician.