What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? It is cloudy. If it is cold, then it is raining. If it is cloudy, then it is cold. If Jessica takes a plane, then it is not overcast. If it rains, then it is overcast.
It is cold. If it is cold, then it is overcast. If it is cloudy, then it is raining.