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: A vehicle in use requires navigation. 
Question: A vehicle in use requires?
[EX A]: navigation.

[EX Q]: Fact: Stimuli can cause the brain to experience pain. 
Question: What can cause the brain to experience pain?
[EX A]: stimuli.

[EX Q]: Fact: Animals slowly consume saturated fatty acids while hibernating. 
Question: An animal hibernating is slowly consuming?
[EX A]:
saturated fatty acids.