What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_2, x_2 will not drive a car. For all x_2, x_2 is a cashier or x_2 will drive a car. For all x_2, x_2 is not a cashier or x_2 will take a plane.
For all x_2, x_2 will drive a car or x_2 will take a plane.