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: astronauts require dehydrated food for extended flights. 
Question: astronauts require what food for extended flights?
[EX A]: dehydrated.

[EX Q]: Fact: hairy animals nourish young with milk. 
Question: How to mammals nourish young?
[EX A]: milk.

[EX Q]: Fact: chemical messengers travel throughout the body in the blood. 
Question: what travels throughout the body in the blood?
[EX A]:
chemical messengers.