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: Female mammals have breasts. 
Question: What has breasts?
Example Output: Female mammals.

Example Input: Fact: Blood feeders can enter the host through the skin. 
Question: What can enter a host through the skin?
Example Output: Blood feeders.

Example Input: Fact: Most hormones are regulated by necessarily controlling uncertainty. 
Question: most what are regulated by necessarily controlling uncertainty?
Example Output:
hormones.