In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

Q: Sentence: The main function of the spleen is to filter the blood and remove unwanted red blood cells. Question: The main function of this organ is to filter the blood and remove unwanted red blood cells?

A: spleen
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Q: Sentence: During larva stage of its life cycle does a butterfly spend the most time eating plant leaves. Question: During which stage of its life cycle does a butterfly spend the most time eating plant leaves?

A: larva
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Q: Sentence: Echinoderms possess a water-based circulatory system. Question: What kind of system do echinoderms possess?

A:
water-based circulatory
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