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: animals with calcite shells form large colonies in shallow tropical water. 
Question: Animals with _ form large colonies in shallow tropical water?
Example Output: calcite shells.

Example Input: Fact: Bacteria causes food to be thrown out. 
Question: Bacteria causes food to be what?
Example Output: thrown out.

Example Input: Fact: mushrooms can decompose wood. 
Question: What can decompose wood?
Example Output:
mushrooms.