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: DIGESTION 
Clue: This substance in your food slows down the digestive process & is what bile works on
Example Output: fat

Example Input: Category: I NEED "HOPE" 
Clue: It weighs 45.52 carats
Example Output: the hope diamond

Example Input: Category: 19TH CENTURY OPERA 
Clue: A mezzo-soprano plays Violetta's friend Flora Bervoix in this Verdi opera
Example Output:
"la traviata"