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.

Q: Category: A CHRISTMAS CAROL 
Clue: "A partridge in a pear tree"

A: "the twelve days of christmas"
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Q: Category: "X" IN THE CITY 
Clue: Famous for temple ruins, this city on the site of Thebes has been called "The World's Greatest Open-Air Museum"

A: luxor
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Q: Category: BIRTHSTONES 
Clue: 1 of only 2 birthstones whose names begin with the same letter as their month

A:
sapphire
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