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: Blowing air into a whistle causes air to move inside the whistle. 
Question: Blowing air into what causes air to move inside it?
[A]: whistle.


[Q]: Fact: the amount of precipitation depends on condensation. 
Question: What does precipitation depend on?
[A]: condensation.


[Q]: Fact: Bumble bees often take up residence in the former home of baby birds. 
Question: What type of animal makes the home that a bumble bee will eventually inhabit?
[A]:
bird.