What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_10, x_10 will not work or x_10 is an office clerk. For all x_10, x_10 will work or x_10 will go running. For all x_10, if x_10 goes running, then x_10 is not taking a plane. For all x_10, x_10 will take a plane.
For all x_10, x_10 will not go running. For all x_10, x_10 will go running or x_10 is an office clerk.