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: When the core of a star begins to run low on hydrogen, it contracts. Question: What happens to the core of a star when it begins to run low on hydrogen?

A: it contracts
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Q: Sentence: Proteins are long chains of amino acids. Question: What are long chains of amino acids?

A: proteins
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Q: Sentence: A synthetic diamond is not considered a mineral because minerals must be created naturally. Question: Why is a synthetic diamond not considered a mineral?

A:
minerals must be created naturally
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