What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_11, x_11 will cook or x_11 will not climb a mountain. For all x_11, x_11 will listen to a song if and only if x_11 will cook. There is at least one x_11 for which x_11 will climb a mountain or x_11 is a writer. For all x_11, x_11 will not listen to a song.
For all x_11, if x_11 climbs a mountain, then x_11 is cooking. For all x_11, if x_11 listens to a song, then x_11 is cooking. For all x_11, if x_11 cooks, then x_11 is listening to a song. For all x_11, x_11 will not cook.