What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_4, x_4 will cook. For all x_4, if x_4 were a bartender, then x_4 is climbing a mountain. For all x_4, x_4 is a bartender.
For all x_4, x_4 will climb a mountain. For all x_4, x_4 will cook and x_4 is a bartender. For all x_4, x_4 is a bartender and x_4 will cook.