What is the largest gold mine in the world?
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Gold is produced in a gold mine.
A gold mine produces gold .
What is the largest gold mine in the world?</s>Gold is produced in a [unused1]gold                [unused2] mine.
What is the largest gold mine in the world?</s>Gold is produced in a gold mine.
What is the largest gold mine in the world?</s>A [unused1]gold                [unused2] mine produces
What is the largest gold mine in the world?</s>A gold mine produces gold .
What is the largest gold mine in the world?</s>[unused1]gold[unused2],0,[unused1]gold[unused2],[unused1]gold[unused2],0,gold mine,gold mine,produces,[unused1]gold[unused2],gold mine,0,gold mine
What is the largest gold mine in the world?</s>gold,0,gold,gold,0,gold mine,gold mine,produces,gold,gold mine,0,gold mine