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: temperature can change the state of matter. 
Question: What can change the state of matter?
[A]: temperature.


[Q]: Fact: Birds have backbones. 
Question: What animals have a backbone?
[A]: Birds.


[Q]: Fact: the movement of soil by water causes deposition. 
Question: What does the movement of soil by water cause?
[A]:
depostion.