What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x, x will drive a car or x will play a game. For all x, if x plays a game, then x is a mechanic. For all x, x will not drive a car or x is sad. For all x, if x were sad, then x is a mechanic.
For all x, x will play a game or x is sad.