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: BEASTLY LITERATURE 
Clue: Santiago, the old man in a Hemingway story, struggles mightily with this type of game fish

Output: marlin


Input: Consider Input: Category: CAFETERIA 
Clue: It's a good day to warm up with a bowl of this thick hearty vegetable soup, from the Italian for "something served"

Output: minestrone


Input: Consider Input: Category: HEAT 
Clue: This form of energy, defined as the Earth's natural heat, warms buildings in Klamath Falls, Boise & Reykjavik


Output: geothermal energy