Mai: Hi, Lan!
Lan: Yes, what are you doing here?
Mai: I go to the market for my mom, what about you?
Lan: Oh, me too!
Mai: So do you know where plastic bags are for sale?
Lan: Yes, but I think you should buy a more eco-friendly bag
Mai: So is it cheap?
Lan: Yes
Mai: Where can I buy it ?
Lan: You can buy it at the cashier!
Mai: Thanks!
Darling_274 
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