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: ISLANDS 
Clue: This large island's 2 highest peaks lie in the Maoke Mountains on the Indonesian side

A: new guinea
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Q: Category: ANIMALS 
Clue: These mollusks, not oysters, are the most common source for freshwater pearls

A: mussels
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Q: Category: NATIONAL FORESTS 
Clue: Established in 1897, Black Hills National Forest is home to Wind Cave National Park & this national memorial

A:
mount rushmore
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