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_12 for which x_12 will take a plane. For all x_12, x_12 is poor. For all x_12, if x_12 were poor, then x_12 is playing tennis.
For all x_12, x_12 will play tennis. There is at least one x_12 for which x_12 will take a plane and x_12 is poor. There is at least one x_12 for which x_12 is poor and x_12 will take a plane.