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: Mineral graphite can pierce the skin surface. 
Question: What can pierce the skin surface?
Example Output: Mineral graphite.

Example Input: Fact: Fungus reproduce asexually by budding. 
Question: What can reproduce asexually by budding?
Example Output: Fungus.

Example Input: Fact: freezing and thawing can break down rocks from larger whole into smaller pieces. 
Question: What can can break down rocks from larger wholes into smaller pieces?
Example Output:
Freezing and thawing.