Given the task definition and input, reply with output. In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.

Context: About Bill Cosby. Sadly his own testimony offers PROOF of terrible deeds, which is ALL I have ever required to believe the accusations. ⭐Jill Scott⭐ (@missjillscott) July 6, 2015 Answer: proof
what does bill cosby's own testimony offer