Based on the given question and tppic, give an answer. The answer is available on on the internet. The questions are mostly centered around a single named entity.

Q: concept: Antonio Vivaldi  question:  what was antonio vivaldi known for?

A: ['Priest']
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Q: concept: Morse Code  question:  who invented morse code?

A: ['Samuel Morse']
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Q: concept: Brian Austin Green  question:  what character did brian austin green play on 90210?

A:
['David Silver']
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