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_14 for which x_14 will not play squash. For all x_14, if x_14 were sad, then x_14 is listening to a song. For all x_14, x_14 will play squash or x_14 will climb a mountain. For all x_14, if x_14 climbs a mountain, then x_14 is sad.
For all x_14, if x_14 climbs a mountain, then x_14 is listening to a song. There is at least one x_14 for which x_14 will climb a mountain.