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 consistency, answers should be in all lower cased letters.

Input: Consider Input: Category: TO PROTECT
Clue: This "service" is best known for protecting the president, but also investigates forgery

Output: the secret service

Input: Consider Input: Category: "FALL"
Clue: This Poe tale appropriately begins in the fall, on a "dull, dark and soundless day"

Output: "the fall of the house of usher"

Input: Consider Input: Category: U.S. CITIES
Clue: The names of the 2nd, 3rd & 4th most populous cities in California begin with these 3 letters
Output: san