当地的人用一个木箱子，他们在木箱子里面放一些美味水果，他们在箱子的上面留一个洞，洞的大小刚好可以让猴子把手伸进去。
The local people use a wooden box and inside the box they place some delicious fruit. They make a hole on the top of the box just large enough for a monkey to put its hand in.
看过这个水果后，你怎么能立即给这些箱子正确地贴上标签？
By looking at the fruit, how can you immediately label all of the boxes correctly?
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