answer: #Person2# buys some groceries and pays by #Person2#'s ATM card. #Person1# suggests that next time #Person2# should have them bagged and weighed before checking out.
documents: #Person1#: Next time you buy veggies or fruits, have them bagged and weighed before you come here.
  #Person2#: Sorry. I didn't know.
  #Person1#: The total comes to US $ 65. 81. How will you pay today?
  #Person2#: I'm going to use my ATM card.
  #Person1#: Slide your card through the card ID pad and punch in your PIN.
  #Person2#: Done.
  #Person1#: One moment. Do you want to withdraw some cash while you're at it?
  #Person2#: No, thanks.
  #Person1#: Paper or plastic?
  #Person2#: Pardon me?
  #Person1#: Do you want paper or plastic bags for your groceries?
  #Person2#: Paper, please.