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.

Q: Category: DUMB GUYS' GREATEST INVENTIONS 
Clue: Dumb guys think it's cool they get to slide their own credit card at the store; even cooler? This word for "slide"

A: swipe
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Q: Category: U.S. ENDANGERED SPECIES 
Clue: It's not only the chinook; the sockeye species of this fish is endangered also

A: salmon
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Q: Category: ALL THINGS BRITISH 
Clue: The 1648 Battle of St. Ffagan was a major battle of the English Civil War fought in this principality

A:
wales
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