What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Sarah is listening to a song or Michael is a doctor. If Sarah listens to a song, then Michael is poor. For all x_7, x_7 is poor or x_7 is not a doctor.
If Michael were a musician, then Sarah is listening to a song. For all x_7, if x_7 were a doctor, then x_7 is poor.