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 an office clerk or y is not an artist. There is at least one y for which if y were an office clerk, then y is playing tennis. For all y, if y plays tennis, then y is excited.
There is at least one y for which if y were an office clerk, then y is excited. For all y, if y were an artist, then y is an office clerk.