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_6 for which if x_6 sleeps, then x_6 is playing squash. For all x_6, if x_6 plays squash, then x_6 is excited. For all x_6, if x_6 listens to a song, then x_6 is sleeping. For all x_6, if x_6 were excited, then x_6 is listening to a song.
For all x_6, if x_6 plays squash, then x_6 is listening to a song. For all x_6, if x_6 were excited, then x_6 is sleeping. There is at least one x_6 for which if x_6 sleeps, then x_6 is excited. There is at least one x_6 for which if x_6 listens to a song, then x_6 is playing squash.