Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.

Q: Fact: carcinogens can cause death. 
Question: What can cause death?

A: carcinogens.
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Q: Fact: Diabetes is caused by a reduction of a hormone that helps cells absorb sugar from the blood. 
Question: What is caused by a reduction of a hormone that helps cells absorb sugar from the blood?

A: diabetes.
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Q: Fact: Birds bodies are covered to help them fly and provide insulation. 
Question: What is one reason birds have covered bodies?

A:
To help them fly.
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