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, if x_9 drives a car, then x_9 is an astronaut. For all x_9, x_9 is not a bartender. For all x_9, x_9 will play squash or x_9 will drive a car. For all x_9, if x_9 plays squash, then x_9 is an astronaut. For all x_9, x_9 is a bartender or x_9 will drink water.
For all x_9, x_9 will drink water. For all x_9, x_9 is an astronaut.