What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_14, x_14 is not a musician. For all x_14, x_14 will take a plane if and only if x_14 is a musician. Jennifer is taking a plane if and only if Michael is a bartender.
If Jennifer takes a plane, then Michael is a bartender. If Michael were a bartender, then Jennifer is taking a plane. For all x_14, if x_14 takes a plane, then x_14 is a musician. For all x_14, if x_14 were a musician, then x_14 is taking a plane. For all x_14, x_14 will not take a plane.