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.

Input: Consider Input: Category: CLASSICAL MYTHOLOGY 
Clue: Some say this underworld canine has serpents entwined around his multiple necks

Output: cerberus


Input: Consider Input: Category: CUBA, SI! 
Clue: Turquino Peak, Cuba's highest, is in the chain known as this "Maestra"; California has one "Nevada"

Output: sierra


Input: Consider Input: Category: PLANTS & TREES 
Clue: The black & English varieties of this tree are valued for their wood & their nuts


Output: a walnut