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: PROVERBS BY INITIALS 
Clue: "A watched P.N.B."
Example Output: pot never boils

Example Input: Category: WORLD CITIES 
Clue: Construction began on this German city's Gothic cathedral near the Rhine in 1248 & lasted 632 years
Example Output:
cologne