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: HISTORIC FACES 
Clue: This man shared a Nobel Prize with his wife Marie
Example Output: pierre curie

Example Input: Category: THE TOWER 
Clue: Lightning not only strikes the same place twice, it strikes this 110-story Chicago tower hundreds of times a year
Example Output: sears tower

Example Input: Category: SUPERBAD 
Clue: This first Russian czar's cruel & bizarre behavior earned him the nickname "Grozny", Russian for "the Dread"
Example Output:
ivan the terrible