answer: #Person1#'s assisting #Person2# in choosing a color TV.
documents: #Person1#: Is there anything I can do for you?
  #Person2#: Yes, I'd like to buy a color TV.
  #Person1#: We carry products from three large manufacturers and some imported ones, too. Do you have a specific model in mind?
  #Person2#: No. Which one do you recommend?
  #Person1#: This one from Sony gives a very sharp picture.
  #Person2#: Thank you, but I'd prefer to buy a China-made set.
  #Person1#: Which brand do you prefer?
  #Person2#: Sky worth.
  #Person1#: OK. Come with me, please.