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: Telephones are used for communication by transmitting audible waves. 
Question: Telephones are used for communication by transmitting what?
Example Output: audible waves.

Example Input: Fact: mitosis is how organisms grow and repair themselves. 
Question: What is how organisms grow and repair themselves?
Example Output: mitosis.

Example Input: Fact: Fossils are formed with sand and mud cover the remains over time. 
Question: What covers remains to create fossils?
Example Output:
Sand and mud.