What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If it is sunny, then it is cloudy. If it is cloudy, then it is sunny. If it is cloudy, then Jennifer is not an artist. Jennifer is an artist.
It is not cloudy. If it is sunny, then Jennifer is not an artist. It is sunny if and only if it is cloudy. It is cloudy if and only if it is sunny.