What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_8, x_8 is sad or x_8 will not play a game. For all x_8, x_8 is sad if and only if x_8 will drink water. There is at least one x_8 for which x_8 will drink water or x_8 will play a game.
For all x_8, if x_8 plays a game, then x_8 is sad. For all x_8, if x_8 were sad, then x_8 is drinking water. For all x_8, if x_8 drinks water, then x_8 is sad.