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 simplicity, answers should be in all lower cased letters.

Example Input: Category: U.S. PRESIDENTS 
Clue: The last names of 8 different presidents end with this 3-letter combination
Example Output: son

Example Input: Category: FILM ROLES 
Clue: Dick Powell, Robert Mitchum & Elliott Gould have all played this character on film
Example Output: philip marlowe

Example Input: Category: BODIES OF WATER 
Clue: The Rush-Bagot Agreement of 1817 between the U.S. & Great Britain limited naval power on these bodies of water
Example Output:
the great lakes or lake champlain