dialogue: #Person1#: I'd like to see that pen, please.
  #Person2#: You mean this one?
  #Person1#: No, the other one in the brown case.
  #Person2#: Oh, this one... Here.
  #Person1#: May I try it?
  #Person2#: Sure.
  #Person1#: It's very smooth. I'll take it.
  #Person2#: Cash or charge?
  #Person1#: Charge, please.
summary: #Person1# buys a pen from #Person2# and pays via charge.
topic: buy the pen