Consider the following premises. If Elisabeth drives a car, then it is not sunny. It is sunny. Susan is reading a book or Elisabeth is driving a car. Can we infer the following from them? Susan is reading a book.
 From the fact that if Elisabeth drives a car, then it is not sunny, and that it is sunny we can infer that Elisabeth is not driving a car. From the fact that Susan is reading a book or Elisabeth is driving a car we can infer that if Elisabeth doesn't drive a car, then Susan is reading a book. Finally, from the fact that if Elisabeth doesn't drive a car, then Susan is reading a book, and that Elisabeth is not driving a car we can infer that Susan is reading a book. Therefore, the answer is yes.