What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If John takes a plane, then it is overcast. If Karen doesn't make tea, then it is overcast. For all x_14, x_14 will make tea if and only if x_14 will listen to a song. Karen is not listening to a song.
For all x_14, if x_14 makes tea, then x_14 is listening to a song. For all x_14, if x_14 listens to a song, then x_14 is making tea.