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, if x_14 listens to a song, then x_14 is happy. For all x_14, x_14 will listen to a song or x_14 will play squash. For all x_14, x_14 is not happy.
For all x_14, x_14 will not listen to a song.