What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all y, y is poor if and only if y is an artist. For all y, y is a server or y is an artist. For all y, y is not a server or y is a bartender. There is at least one y for which if y were a bartender, then y is poor.
For all y, y is an artist or y is a bartender. For all y, if y were poor, then y is an artist. For all y, if y were an artist, then y is poor.