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 were an artist, then x_9 is driving a car. For all x_9, x_9 is excited if and only if x_9 will drive a car. For all x_9, if x_9 drives a car, then x_9 is an artist. For all x_9, x_9 is excited or x_9 is an artist.
For all x_9, x_9 is an artist if and only if x_9 will drive a car. For all x_9, x_9 will drive a car if and only if x_9 is an artist. For all x_9, if x_9 were excited, then x_9 is driving a car. For all x_9, if x_9 drives a car, then x_9 is excited.