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: Sponges trap and digest food with specialized cells. 
Question: What do sponges use to collect and digest food?
Example Output: specialized cells.

Example Input: Fact: Monotremes lay eggs. 
Question: What is the distinguishing feature of monotremes?
Example Output: They lay eggs.

Example Input: Fact: smallpox is usually considered to be nonliving. 
Question: What is smallpox considered to be?
Example Output:
nonliving.