What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_8, x_8 will not climb a mountain. For all x_8, if x_8 were a musician, then x_8 is an electrician. For all x_8, if x_8 were an electrician, then x_8 is listening to a song. For all x_8, x_8 will listen to a song if and only if x_8 will climb a mountain.
For all x_8, if x_8 were a musician, then x_8 is listening to a song. For all x_8, if x_8 listens to a song, then x_8 is climbing a mountain. For all x_8, if x_8 climbs a mountain, then x_8 is listening to a song. For all x_8, x_8 will not listen to a song.