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_4 for which x_4 will play a game. For all x_4, x_4 is not a musician. For all x_4, x_4 is a musician or x_4 will climb a mountain.
For all x_4, x_4 will climb a mountain.