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: SOCK IT TO ME! 
Clue: It's the useful meteorological instrument seen here:

A: windsock
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Q: Category: ART & ARTISTS 
Clue: An X-ray of his "Blue Boy" has revealed the figure of a small dog that was painted out

A: thomas gainsborough
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Q: Category: "B.C." 
Clue: In computer science, ones & zeroes are key to this

A:
binary code
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