What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_6, if x_6 listens to a song, then x_6 is sleeping. There is at least one x_6 for which x_6 is excited. For all x_6, if x_6 were excited, then x_6 is playing tennis. For all x_6, if x_6 plays tennis, then x_6 is sleeping.
There is at least one x_6 for which x_6 will play tennis. For all x_6, if x_6 were excited, then x_6 is sleeping.