What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x, x is an artist or x will drive a car. For all x, if x were an artist, then x is a politician. For all x, x is a soldier. For all x, if x takes a plane, then x is a politician. For all x, if x drives a car, then x is taking a plane.
For all x, if x drives a car, then x is a politician.