Mr. Green: Can I help you?
Jerry: Yes, I’d like to buy some tomatoes.
Mr. Green: These tomatoes are fresh.
Jerry: They look nice. How much do they cost?
Mr. Green: Five yuan a kilo.
Jerry: Five yuan a kilo? They’re too expensive. What about four yuan a kilo?
Mr. Green: Mmm, let me see. OK. How much do you want?
Jerry: Two kilos, please.
Mr. Green: Here you are. Anything else?
Jerry: That’s all, and here’s the money.
Mr. Green: Thank you.