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, x_2 will cook if and only if x_2 will climb a mountain. Jessica is not climbing a mountain.
For all x_2, if x_2 cooks, then x_2 is climbing a mountain. For all x_2, if x_2 climbs a mountain, then x_2 is cooking.