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: JEWELRY 
Clue: An engraved gem with a design that projects from the surface, it can be carved from onyx, agate or sardonyx

Answer: a cameo


Question: Category: LET'S GET IT "ON"! 
Clue: A person of low social status, or a day laborer

Answer: peon


Question: Category: COOK UP SOME "STU" 
Clue: A room for making radio or TV productions

Answer:
a studio