input question: Determine the topic of the question. Question: "what is the source of geothermal energy?" Topic:???
output answer: Geothermal energy

Determine the topic of the question. Question: "what are use taxes??" Topic:
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Answer: Use tax

Q: Determine the topic of the question. Question: "when was the lady gaga judas song released?" Topic:
A: Judas (song)

Question: Determine the topic of the question. Question: "what does life insurance cover??" Topic:
Answer: Life insurance

[Q]: Determine the topic of the question. Question: "how many schools are in the big ten?" Topic:
****
[A]: Big Ten Conference

Problem: Given the question: Determine the topic of the question. Question: "who shot john lennon??" Topic:
++++++++++++++++++++++++++++++++
The answer is:
Death of John Lennon