What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If it is overcast, then Karen is a writer. Karen is not listening to a song. For all x_11, x_11 will listen to a song if and only if x_11 is a writer.
For all x_11, if x_11 listens to a song, then x_11 is a writer. For all x_11, if x_11 were a writer, then x_11 is listening to a song.