Consider the following premises. Linda is cooking. Jessica is working if and only if Richard is bored. Jessica is not working. Richard is bored if and only if it is snowing. Can we infer the following from them? It is not snowing and Linda is cooking.
 From the fact that Jessica is working if and only if Richard is bored, and that Jessica is not working we can infer that Richard is not bored. From the fact that Richard is bored if and only if it is snowing, and that Richard is not bored we can infer that it is not snowing. Finally, from the fact that it is not snowing, and that Linda is cooking we can infer that it is not snowing and Linda is cooking. Therefore, the answer is yes.