What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_5, if x_5 sleeps, then x_5 is excited. For all x_5, if x_5 plays tennis, then x_5 is climbing a mountain. For all x_5, if x_5 were a scientist, then x_5 is excited. For all x_5, x_5 will sleep or x_5 will play tennis. For all x_5, if x_5 climbs a mountain, then x_5 is a scientist.
For all x_5, if x_5 plays tennis, then x_5 is a scientist. For all x_5, if x_5 climbs a mountain, then x_5 is excited.