What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_6, if x_6 climbs a mountain, then x_6 is running. For all x_6, x_6 will work. For all x_6, if x_6 works, then x_6 is climbing a mountain.
For all x_6, x_6 will climb a mountain. For all x_6, if x_6 works, then x_6 is running.