Listening Quiz: Khiếu Nại Về Sự Khác Biệt Sắc Độ Màu – Medium Level

1. What is the main topic of the conversation?
2. According to Kevin, how does the blue from lot 1 compare with the blue from lot 2?
3. What did Kevin say about the dye mix for both lots?
4. What can be inferred about the cause of the color difference?
5. What will Anna do next?

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