What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Jennifer is listening to a song. For all x_7, x_7 will play a game if and only if x_7 will listen to a song.
There is at least one x for which x will listen to a song. For all x_7, if x_7 plays a game, then x_7 is listening to a song. For all x_7, if x_7 listens to a song, then x_7 is playing a game.