What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_2, if x_2 were a nurse, then x_2 is climbing a mountain. Elisabeth is playing squash. For all x_2, if x_2 were an office clerk, then x_2 is climbing a mountain. For all x_2, x_2 is an office clerk or x_2 is a nurse.
For all x_2, x_2 will climb a mountain.