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.
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Question: Category: RIVERS 
Clue: The mouth of this 2315-mile-long river lies in the Mississippi River 17 miles above St. Louis

Answer: the missouri


Question: Category: RHYMES WITH ME 
Clue: Piece of equipment for Picabo Street

Answer: ski


Question: Category: N.E.W.S. 
Clue: Of north, east, west & south, the 2 in a famous Kipling "ballad"

Answer:
east & west