What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_8 for which x_8 is a janitor. For all x_8, x_8 is an artist or x_8 will not take a plane. For all x_8, x_8 will take a plane.
Some janitors will take a plane. There is at least one x_8 for which x_8 will take a plane and x_8 is a janitor. For all x_8, if x_8 takes a plane, then x_8 is an artist.