What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_9, x_9 will not make tea. For all x_9, x_9 will climb a mountain and x_9 will play squash. For all x_9, x_9 will make tea or x_9 will take a plane.
For all x_9, x_9 will take a plane. For all x_9, x_9 will climb a mountain. For all x_9, x_9 will play squash.