What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_12, if x_12 were a musician, then x_12 is playing squash. There is at least one x_12 for which if x_12 were an electrician, then x_12 is drinking water. For all x_12, x_12 is a musician. For all x_12, x_12 will not play a game or x_12 is an electrician. For all x_12, x_12 will play a game or x_12 is a janitor. For all x_12, if x_12 were a janitor, then x_12 is drinking water.
For all x_12, x_12 will play squash. For all x_12, x_12 is a janitor or x_12 is an electrician.