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, x_6 is not excited or x_6 is a nurse. For all x_6, if x_6 were a nurse, then x_6 is listening to a song. For all x_6, x_6 is excited or x_6 will cook. For all x_6, if x_6 cooks, then x_6 is listening to a song.
For all x_6, x_6 will cook or x_6 is a nurse.