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: WHAT'S YOUR BEEF? 
Clue: If you can't stand the heat, there's always this raw dish that includes onions, capers, egg yolks & beef tenderloin

Answer: steak tartare


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: SAUL BELLOW'S LIBRARY 
Clue: Bellow's favorite of his own novels, "Henderson the Rain King", tells of an American's adventures on this continent

Answer:
africa