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: follicles within the skin helps to insulate and protect the body. 
Question: what helps insulate and protect the body?
Example Output: follicles within the skin.

Example Input: Fact: Condoms make sex safe if they're not used incorrectly. 
Question: When aren't condoms safe?
Example Output: When they're used incorrectly.

Example Input: Fact: chemical weathering causes iron in asteroids to oxidize. 
Question: What causes iron in asteroids to oxidize?
Example Output:
chemical weathering.