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: Genes are a part of coiled structures made of DNA and proteins. 
Question: What are a part of coiled structures made of DNA and proteins?
[A]: genes.


[Q]: Fact: Plastic slows the transfer of electricity. 
Question: Which material slows the transfer of electricity?
[A]: Plastic.


[Q]: Fact: uncontrolled use of trees for fuel has a negative impact on an ecosystem. 
Question: uncontrolled use of what for fuel has a negative impact on an ecosystem?
[A]:
trees.