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.

Category: LET'S GET SMALL 
Clue: In area, it's the smallest constitutional monarchy in the world
monaco

Category: LIFE OF PIE 
Clue: An old rhyme says that this "without some cheese is like a kiss without a squeeze"
apple pie

Category: STOCK SYMBOLS 
Clue: CPB is the symbol for this maker of alphabet soup

campbell\'s