What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_5, if x_5 listens to a song, then x_5 is rich. For all x_5, x_5 will work if and only if x_5 will listen to a song. For all x_5, if x_5 were rich, then x_5 is working.
For all x_5, if x_5 listens to a song, then x_5 is working. For all x_5, if x_5 works, then x_5 is listening to a song. For all x_5, if x_5 listens to a song, then x_5 is working.