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.

Example Input: Fact: animals cannot make their own food. 
Question: What cannot make their own food?
Example Output: animals.

Example Input: Fact: Mammals can generate little bursts of energy by shivering. 
Question: What can a mammal produce by shivering?
Example Output: energy.

Example Input: Fact: A scale is used for measuring body frailty. 
Question: A scale is used for measuring what?
Example Output:
body frailty.