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这位老师捡到一件白色的衬衫。他想找到这件衬衫的主人。戴夫看了看这件衬衫。戴夫说：“我的衬衫是蓝色的，不是白色的。”蒂姆的衬衫是白色的。所以老师就把这件衬衫给了蒂姆。蒂姆接过衬衫并说谢谢。
The teacher has a white shirt. He wants to find the owner. Dave looks at it. Dave says, "My shirt is blue, not white." Tim's shirt is white. So the teacher gives the shirt to Tim. Tim takes it and says thank you.