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: 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: moist air falls on the windward side of a mountain. 
Question: Where does moist air fall on a mountain?
Example Output: windward side.

Example Input: Fact: Feathers help birds fly and keep warm. 
Question: Feathers help birds fly and what?
Example Output:
keep warm.