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: AFRICA 
Clue: In the 1980s the U.S.-backed FNLA & UNITA battled the Cuban-backed MPLA for control of this country
Example Output: angola

Example Input: Category: SISTER CITIES 
Clue: San Francisco, California is a sister city to this one in Italy
Example Output: assisi

Example Input: Category: PRESIDENTIAL RUNNING MATES 
Clue: The traditional inaugural lunch for this president & V.P. featured boiled stuffed lobster & prime ribs of beef au jus
Example Output:
jfk & lbj