What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x, x is a musician or x will not read a book. For all x, if x were a police officer, then x is reading a book. For all x, if x were a musician, then x is a police officer.
For all x, if x were a musician, then x is reading a book. For all x, if x reads a book, then x is a musician.