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.
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Question: Category: THE SOUND OF MUSIC 
Clue: Poetically, tones are sometimes described adjectivally as this, from the Latin for "sweet"

Answer: dulcet


Question: Category: THE DIGESTIVE SYSTEM 
Clue: Gravity isn't required to move food down to your stomach; this process moves it down the esophagus

Answer: peristalsis


Question: Category: REAL MEN OF GENIUS 
Clue: Senor Spanish Baroque "Infanta Margarita in a Pink Dress" painter

Answer:
diego velázquez