input question: Determine the topic of the question. Question: "what is endodontic dentistry?" Topic:???
output answer: Endodontics

input question: Determine the topic of the question. Question: "what did isaac newton do?" Topic:???
output answer: Isaac Newton

input question: Determine the topic of the question. Question: "what year did the last monkeys go into space?" Topic:???
output answer: Monkeys in space

input question: Determine the topic of the question. Question: "when did lucy stone died?" Topic:???
output answer:
Lucy Stone