What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_5 for which x_5 will sleep if and only if x_5 is a musician. For all x_5, x_5 is a musician.
There is at least one x_5 for which if x_5 sleeps, then x_5 is a musician. There is at least one x_5 for which if x_5 were a musician, then x_5 is sleeping.