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: "R"RRRRR! 
Clue: Frank Gorshin played him on the small screen, Jim Carrey on the big
Example Output: the riddler

Example Input: Category: U.S. PRESIDENTS 
Clue: On August 4, 1753 Lodge No. 4 in Fredericksburg, Virginia initiated him into the Masons
Example Output: george washington

Example Input: Category: OF THE FLIES 
Clue: Musca domestica is the scientific name for this ever-present type of fly
Example Output:
housefly