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: be prepared for clear, cold days after thunderstorms. 
Question: be prepared for clear, cold days after what?
[A]: thunderstorms.


[Q]: Fact: chemical weathering causes iron to turn brown, red, or orange. 
Question: What does chemical weather cause iron to do?
[A]: Change color to brown.


[Q]: Fact: Poisonous darts are used as protection by sea anemones. 
Question: What are used as protection by sea anemones?
[A]:
poisonous darts.