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: sunlight causes rainbows. 
Question: what causes rainbows?
Example Output: sunlight.

Example Input: Fact: a stove is used in an alchemical process by generating heat. 
Question: what is a stove generating heat used for?
Example Output: alchemical process.

Example Input: Fact: chromosome duplication occurs when cell division produces gametes. 
Question: chromosome duplication occurs when cell division does what?
Example Output:
produces gametes.