answer: #Person2# likes jogging so #Person1# recommends jogging shoes. #Person2# buys a blue pair.
documents: #Person1#: Can I help you?
  #Person2#: I'd like a pair of sports shoes.
  #Person1#: Well, we have all kinds of sports shoes. Could you tell me what kind of sport you usually do?
  #Person2#: I just like jogging.
  #Person1#: OK, then you can buy a pair of jogging shoes. Here are jogging shoes. Which pair do you like best?
  #Person2#: Er. . . , that blue pair. I need size 43, please.
  #Person1#: Here you are. You can try them on.
  #Person2#: Very comfortable. I'll take them.