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, x_9 will not take a plane or x_9 is a soldier. For all x_9, x_9 will take a plane or x_9 will drive a car. For all x_9, if x_9 drives a car, then x_9 is reading a book. For all x_9, if x_9 were a soldier, then x_9 is reading a book. For all x_9, x_9 will climb a mountain.
For all x_9, x_9 will drive a car or x_9 is a soldier.