Scientists set up several experiments allowing the monkeys to "steal" food from human testers, each of whom dressed in a different color T-shirt and baseball cap — either red, green or blue.

科学家设置了几个实验，让这些猴子可以从测试人员那里“偷”到食物，而测试人员则身着不同颜色的T恤和棒球帽——可以是红色、绿色或蓝色。

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We T-shirts red, blue and green.

我们有红色、蓝色和绿色的体恤衫。

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You don't see a red and yellow, you don't see green and blue.

你们不可能看到红连接黄 或者绿连接蓝

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