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: hormones control heart rate. 
Question: What do hormones control?
Example Output: Heart rate.

Example Input: Fact: cell regeneration requires rest. 
Question: what requires rest?
Example Output: cell regeneration.

Example Input: Fact: Hermit crabs are scavengers for dead snails. 
Question: Hermit crabs are scavengers for what?
Example Output:
dead snails.