answer: #Person2# helps #Person1# find a shopping cart and says #Person2# can also make deliveries with a low charge.
documents: #Person1#: Excuse me, are there any more shopping carts?
  #Person2#: Yes, you can find it at the entrance.
  #Person1#: But there isn't a single one right now.
  #Person2#: Ok, I'll get one for you.
  #Person1#: thank you, I'll wait here.
  #Person2#: Here it is. It's really hard to find a shopping cart at this moment.
  #Person1#: Thanks a lot. By the way, do you make the deliveries?
  #Person2#: We make deliveries only for bulk buying.
  #Person1#: Is it free of charge?
  #Person2#: No, but the charge is rather low.
  #Person1#: Ok, thank you.