What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x, if x listens to a song, then x is rich. For all x, if x were rich, then x is listening to a song. There is at least one x for which x will go running if and only if x is rich. For all x, x will not listen to a song.
For all x, x is not rich. For all x, x will listen to a song if and only if x is rich. For all x, x is rich if and only if x will listen to a song. There is at least one x for which if x goes running, then x is rich. There is at least one x for which if x were rich, then x is running.