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.
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Question: Category: THE COUNTRY WHERE YOU'D FIND 
Clue: ...the longest bridge over water in the world

Answer: the united states


Question: Category: WHAT SHOULD I "DU"? 
Clue: A philosophical system that seeks to explain all phenomena in terms of 2 distinct principles

Answer: dualism


Question: Category: CARIBBEAN CUISINE 
Clue: Iguana is a taste treat on this island that the U.S. invaded in 1983

Answer:
grenada