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.

[EX Q]: Fact: Insectivorous birds typically travel long distances. 
Question: Insectivorous birds typically do what?
[EX A]: travel long distances.

[EX 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?
[EX A]: forests.

[EX Q]: Fact: Lake beds were often formed by a flowing river. 
Question: What is a common cause for the development of a lake bed?
[EX A]:
flowing river.