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.

Example Input: Category: LARGE EQUIPMENT 
Clue: For smooth travel, ballast tampers & ballast regulators keep the gravel at the right level among these
Example Output: railroad tracks

Example Input: Category: REALLY GRIMM FAIRY TALES 
Clue: To marry a princess, Hans had to pluck a feather from the tail of this beast that was part lion, part eagle
Example Output: griffin

Example Input: Category: MONEY 
Clue: In 1967 Marie Curie was honored on a 10 zlotych piece by this, her native country
Example Output:
poland