What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_10, x_10 is a cashier if and only if x_10 will work. For all x_10, x_10 will drive a car if and only if x_10 is a cashier. There is at least one x_10 for which x_10 will cook or x_10 will drive a car. For all x_10, x_10 will not cook or x_10 will work.
There is at least one x_10 for which x_10 will drive a car or x_10 will work. For all x_10, if x_10 were a cashier, then x_10 is working. For all x_10, if x_10 drives a car, then x_10 is a cashier. For all x_10, if x_10 works, then x_10 is a cashier. For all x_10, if x_10 were a cashier, then x_10 is driving a car.