What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_3, if x_3 cooks, then x_3 is a police officer. For all x_3, if x_3 climbs a mountain, then x_3 is taking a plane. For all x_3, if x_3 takes a plane, then x_3 is a police officer. For all x_3, x_3 will climb a mountain.
For all x_3, x_3 will take a plane. For all x_3, if x_3 climbs a mountain, then x_3 is a police officer.