What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? It is windy if and only if it is raining. It is snowing if and only if it is windy. If it snows, then it is raining. It is not windy.
If it is windy, then it is raining. If it snows, then it is windy. If it rains, then it is windy. If it is windy, then it is snowing. It is not raining. It is not snowing.