What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? James is not drinking water. For all x_2, x_2 will climb a mountain if and only if x_2 will drink water.
For all x_2, if x_2 climbs a mountain, then x_2 is drinking water. For all x_2, if x_2 drinks water, then x_2 is climbing a mountain.