What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_16, x_16 is rich if and only if x_16 will drive a car. For all x_16, x_16 is rich.
For all x_16, if x_16 were rich, then x_16 is driving a car. For all x_16, if x_16 drives a car, then x_16 is rich.