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: BELGIUM, BELARUS OR BELIZE 
Clue: It's part of the British Commonwealth of Nations

Answer: belize


Question: Category: A FASHIONABLE CATEGORY 
Clue: Feline name for the full-body stocking made popular by Diana Rigg on "The Avengers"

Answer: a catsuit


Question: Category: THE HOBOKEN FIVE 
Clue: Predicted by classmates to become a "second Darwin", he became an expert on sexual behavior

Answer:
kinsey