What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_6, x_6 will not sleep or x_6 will drive a car. For all x_6, if x_6 plays squash, then x_6 is a writer. For all x_6, if x_6 drives a car, then x_6 is a writer. For all x_6, x_6 will sleep or x_6 will play squash.
For all x_6, x_6 will play squash or x_6 will drive a car.