Consider the following premises. John is drinking water if and only if it is windy. It is sunny or it is not late. It is windy if and only if it is sunny. John is not drinking water. Can we infer the following from them? It is not late.
 From the fact that John is drinking water if and only if it is windy, and that John is not drinking water we can infer that it is not windy. From the fact that it is windy if and only if it is sunny, and that it is not windy we can infer that it is not sunny. From the fact that it is sunny or it is not late we can infer that if it is late, then it is sunny. Finally, from the fact that if it is late, then it is sunny, and that it is not sunny we can infer that it is not late. Therefore, the answer is yes.