answer: #Person1# asks #Person2# for help for #Person1#'s brother's carsickness. #Person2# gives #Person1# carsickness pills. #Person1#'s brother falls asleep after taking the pills and it turns out those are sleeping pills.
documents: #Person1#: Excuse me? Do you have anything for a carsickness?
  #Person2#: Yes, but you look fine.
  #Person1#: Oh, it's for my brother. The little boy over there. He is getting a carsickness.
  #Person2#: Poor boy! But don't worry. Here are two pills made in Germany. It's really effective. He will be just fine.
  #Person1#: Thank you so much.
  #Person2#: Take some with you next time, just in case.
  #Person1#: Sorry to interrupt, but my brother is still sleeping.
  #Person2#: You mean the boy who felt carsick just now?
  #Person1#: Yes. It's so strange that he slept all the time after taking the pills.
  #Person2#: Oh, sorry, maybe I gave you the wrong medicine.
  #Person1#: What?
  #Person2#: It's just sleeping pills made in America which is also very good. But don't worry. It has no undesirable side-effects.
  #Person1#: I see.