What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If Patricia were excited, then Charles is a musician. If Charles plays tennis, then it is windy. Patricia is excited if and only if it is windy. Charles is playing tennis if and only if Charles is a musician.
If Patricia were excited, then it is windy. If Charles plays tennis, then Charles is a musician. If it is windy, then Patricia is excited. If Charles were a musician, then Charles is playing tennis.