Consider the following premises. Susan is a nurse or Linda is not excited. Linda is excited or Susan is not a nurse. Can we infer the following from them? If we can, name the inference rule being used: If Linda were excited, then Susan is a nurse.
 From the fact that Linda is excited or Susan is not a nurse we can infer that if Susan were a nurse, then Linda is excited via rewriting. Finally, from the fact that Susan is a nurse or Linda is not excited we can infer that if Linda were excited, then Susan is a nurse via rewriting. Therefore, the answer is yes.