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: Populations of the cause of influenza do not grow through cell division because they are not cells. 
Question: The cause of what doesn't grow by cell division?
Example Output: Influenza.

Example Input: Fact: In the puberty stage is a time of significant mental, emotional and social change. 
Question: What is a time of significant mental and emotional change?
Example Output: puberty.

Example Input: Fact: Hagfish do not have alpha and beta forms. 
Question: Which animal does not have an alpha or beta form?
Example Output:
hagfish.