Kate到商店买文具盒，请你把Kate（K）与售货员Salesgirl（S）的对话排序。

K： Mmm. It looks nice. How much is it?

S： Can I help you?

K： Yes. I'm looking for a pencil-box.

S： It's eight yuan.

K： It's expensive. How much is the green one?

S： Five yuan.

S： Here's a very nice pencil-box.

K： All right. I'll take it.