What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all y_3, y_3 is a musician or y_3 will not drive a car. There is at least one y_3 for which if y_3 were a musician, then y_3 is driving a car.
For all y_3, if y_3 drives a car, then y_3 is a musician.