What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If it is cold, then Jennifer is excited. It is cloudy if and only if Jennifer is excited. If Mary were a sailor, then it is cold. If it is late, then Jennifer is excited. It is late or Mary is a sailor.
If Mary were a sailor, then Jennifer is excited. If it is cloudy, then Jennifer is excited. If Jennifer were excited, then it is cloudy.