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: most mosses are small. 
Question: what are most versions of small?
Example Output: mosses.

Example Input: Fact: a light bulb is used for seeing at night. 
Question: a light bulb is used for seeing?
Example Output: at night.

Example Input: Fact: Something studied by Michael Faraday can cause objects to repel each other. 
Question: What can cause objects to repel each other?
Example Output:
Something studied by Michael Faraday.