Please answer this: Determine the topic of the question. Question: "what is sump pump used for?" Topic:
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Answer: Sump pump

Please answer this: Determine the topic of the question. Question: "what is bourbon made of?" Topic:
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Answer: Bourbon whiskey

Please answer this: Determine the topic of the question. Question: "when did classification of races begin?" Topic:
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Answer:
Race (human classification)