Consider the following premises. If Jessica were a taxi driver, then it is sunny. Susan is a soldier or it is not sunny. If Susan were a soldier, then Jessica is a taxi driver. Can we infer the following from them? If Susan were a soldier, then it is sunny.
 From the fact that Susan is a soldier or it is not sunny we can infer that if it is sunny, then Susan is a soldier. Finally, from the fact that if Susan were a soldier, then Jessica is a taxi driver, and that if Jessica were a taxi driver, then it is sunny we can infer that if Susan were a soldier, then it is sunny. Therefore, the answer is yes.