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: water flow through soil is variable. 
Question: What is the rate of water flow of soil?
[A]: variable.


[Q]: Fact: Evergreens are vascular plants that produce seeds in cones. 
Question: What are vascular plants that produce seeds in the form of cones?
[A]: evergreens.


[Q]: Fact: Playing is one way mammals are trained to behave properly in public settings. 
Question: What is one way mammals are trained to behave properly in public settings?
[A]:
playing.