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: a doorbell converts  kinetic  energy into sound. 
Question: A doorbell converts _ into sound?
Example Output: kinetic energy.

Example Input: Fact: multicellular organisms have many organelles. 
Question: what do multicellular organisms have many of?
Example Output: organelles.

Example Input: Fact: extreme heat and pressure change rock into marble. 
Question: What can change rock into marble?
Example Output:
extreme heat and pressure.