What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all y, if y were a cashier, then y is a musician. There is at least one y for which if y were excited, then y is a cashier. For all y, if y were a musician, then y is excited.
For all y, if y were a cashier, then y is excited. There is at least one y for which if y were excited, then y is a musician. There is at least one y for which if y were a musician, then y is a cashier.