You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.

Example Input: Category: THE U.S. CONGRESS 
Clue: Frustrated with his own political party, in 2001 this senator from Vermont switched to indepedent
Example Output: jeffords

Example Input: Category: INVESTING WITH WARREN BUFFETT 
Clue: Buffett calls the purchase of this insurance company one of his best investments; he first bought its stock in 1951
Example Output: geico

Example Input: Category: "O.L." 
Clue: in the 1980s research scientists first detected a "hole" in this above Antarctica
Example Output:
the ozone layer