What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_4, if x_4 goes running, then x_4 is an artist. For all x_4, if x_4 were an office clerk, then x_4 is running. For all x_4, if x_4 were an artist, then x_4 is an office clerk.
For all x_4, if x_4 goes running, then x_4 is an office clerk. For all x_4, if x_4 were an office clerk, then x_4 is an artist. For all x_4, if x_4 were an artist, then x_4 is running.