Consider the following premises. It is sunny or Thomas is not a janitor. If Elisabeth makes tea, then Thomas is a janitor. If it is sunny, then Elisabeth is making tea. Can we infer the following from them? The fact that Thomas were a janitor does not imply that it is sunny.
 From the fact that if it is sunny, then Elisabeth is making tea, and that if Elisabeth makes tea, then Thomas is a janitor we can infer that if it is sunny, then Thomas is a janitor. Finally, from the fact that it is sunny or Thomas is not a janitor we can infer that if Thomas were a janitor, then it is sunny, which contradicts that The fact that Thomas were a janitor does not imply that it is sunny. Therefore, the answer is no.