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 will not work. For all x_10, x_10 will play a game or x_10 will drive a car. For all x_10, x_10 will play a game if and only if x_10 will work. There is at least one x_10 for which x_10 is a taxi driver.
For all x_10, if x_10 plays a game, then x_10 is working. For all x_10, if x_10 works, then x_10 is playing a game. For all x_10, x_10 will not play a game.