What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_3 for which x_3 will drive a car or x_3 is not a doctor. For all x_3, if x_3 were an office clerk, then x_3 is a doctor.
There is at least one x_3 for which if x_3 were a doctor, then x_3 is driving a car.