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: SHAKESPEARE 
Clue: "Twelfth Night" opens with, "If music be the food of love," do this

Answer: play on


Question: Category: PLACES IN THE BIBLE 
Clue: To Isaiah a land of foreigners, it's home to Nazareth & a namesake sea

Answer: galilee


Question: Category: DEM JOINTS 
Clue: The rotator cuff is a reinforcing structure in this joint

Answer:
shoulder