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: ONE-NAMED PERSONALITIES 
Clue: Known as "The Face of '66", this British supermodel has her own clothing line
Example Output: twiggy

Example Input: Category: HISTORIC EUROPEAN LEADERS 
Clue: On June 15, 1961 Walter Ulbricht assured journalists that "No one intends to build a wall" dividing this city
Example Output: berlin

Example Input: Category: IT HAPPENED ON DECEMBER 1 
Clue: On Dec. 1, 1918 this island became a self-governing kingdom united with Denmark
Example Output:
iceland