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: Forests are being hurt by the color of an environment from changing green to brown. 
Question: What is hurt when the environment changes from green to brown?
[A]: forests.


[Q]: Fact: hormones control heart rate. 
Question: What do hormones control?
[A]: Heart rate.


[Q]: Fact: A chemical reaction in an egg causes protein to become rough and rubbery. 
Question: What in an egg causes protein to become rough and rubbery?
[A]:
chemical reaction.