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 were a nurse, then x_6 is listening to a song. If Sarah were a soldier, then it is overcast. For all x_6, if x_6 listens to a song, then x_6 is a soldier.
For all x_6, if x_6 were a nurse, then x_6 is a soldier.