Given a question, generate a paraphrase of that question wihout changing the meaning of it. Your answer should reword the given sentence, but not add information to it or remove information from it. The answer to your question should be the same as the answer to the original question.
--------
Question: Question: when did alexander graham bell die?

Answer: what age did alex graham bell die?


Question: Question: what year was chocolate discovered in?

Answer: when was chocolate first invented?


Question: Question: who was william mckinley's first vice president?

Answer:
who was the first vice president of william mckinley?