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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What color is your cap? It's yellow.

你的帽子是什么颜色的黄色的。

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Downstairs, summer color night cap return lonely as the ease wind.

楼下夏色夜幕蔽，留取寂寞如香逸风。

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They wore some 30 different uniform styles, each with a different color piping on the jacket and cap, and decorated with elaborate gold or silver-plated wire on the shoulder board.

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The final coup: Target puts color-coded rings between bottle and cap, so that different people in a household can quickly tell which medicine is theirs.

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It must be that cap that has the right logo in the right location in the right color.

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