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: Chemicals created a hole in the ozone over Antarctica. 
Question: What creates a hole in the ozone?
Example Output: Chemicals.

Example Input: Fact: large animals that roamed the earth were replaced with mammals after their extinction. 
Question: large animals that roamed the earth were replaced with what after their extinction?
Example Output: mammals.

Example Input: Fact: electric motors and stoves transform electricity. 
Question: What can transform electricity?
Example Output:
electric motors and stoves.