Consider the following premises. Michael is running if and only if it is sunny. If it is sunny, then James is reading a book. Michael is running and it is overcast. Can we infer the following from them? James is reading a book.
 From the fact that Michael is running if and only if it is sunny we can infer that if Michael goes running, then it is sunny. From the fact that if Michael goes running, then it is sunny, and that if it is sunny, then James is reading a book we can infer that if Michael goes running, then James is reading a book. From the fact that Michael is running and it is overcast we can infer that Michael is running. Finally, from the fact that if Michael goes running, then James is reading a book, and that Michael is running we can infer that James is reading a book. Therefore, the answer is yes.