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: cats may compete for territory, water, food, or mates. 
Question: what may compete for territory, water, food, or mates?
Example Output: cats.

Example Input: Fact: living things all require energy conservation as a trait. 
Question: living things all require energy conservation as a what?
Example Output: trait.

Example Input: Fact: children love to move in the period after birth. 
Question: what do children love to move?
Example Output:
period after birth.