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 snowing. It is not windy. Joseph is driving a car. James is drinking water if and only if it is snowing.
It is not windy and Joseph is driving a car. Joseph is driving a car and it is not windy. If it is windy, then it is snowing. If James drinks water, then it is snowing. If it snows, then it is windy. If it snows, then James is drinking water. It is not snowing.