What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_5, if x_5 takes a plane, then x_5 is a soldier. For all x_5, x_5 will take a plane or x_5 is not a soldier. William is not taking a plane.
For all x_5, if x_5 were a soldier, then x_5 is taking a plane.