What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If it rains, then it is cold. If it is cold, then it is raining. Joseph is not drinking water. If Sarah cooks, then Joseph is drinking water. If it rains, then Sarah is cooking.
Sarah is not cooking. If it is cold, then Sarah is cooking. If it rains, then Joseph is drinking water. It is raining if and only if it is cold. It is cold if and only if it is raining.