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: A fiber found only in mammals grows from a bulb under the skin. 
Question: A fiber found only in mammals grows from a bulb under what?
Example Output: the skin.

Example Input: Fact: arithmetic includes uses for subtraction. 
Question: what does arithmetic include?
Example Output:
subtraction.