What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_12, if x_12 makes tea, then x_12 is playing a game. There is at least one x_12 for which if x_12 plays a game, then x_12 is making tea. For all x_12, if x_12 plays a game, then x_12 is making tea. For all x_12, x_12 will not play a game.
For all x_12, x_12 will not make tea. For all x_12, x_12 will make tea if and only if x_12 will play a game. For all x_12, x_12 will play a game if and only if x_12 will make tea. There is at least one x_12 for which x_12 will play a game if and only if x_12 will make tea. There is at least one x_12 for which x_12 will make tea if and only if x_12 will play a game.