A:Good evening. May I help you?
B: I want to buy a sweater for my son.
A:What colour would you like?
A:Have a look at the sweaters over there Which one do you like?
B:I think the blue one is nice .
A:What about this one?
B:This one just fits my son. How much is it?
A:It's 35 yuan.
B: That's a nice price.
A. I'll take it.