answer: #Person2# is helping #Person1# buy the black leather suite for #Person1#'s living room, two-floor lamps to improve the lighting, and some cushion covers.
documents: #Person1#: Good morning. I'm thinking about buying some new furniture for my living room. Could you help me? 
  #Person2#: Certainly. As you can see, we have several three-piece suites on sale. Feel free to sit down and test how comfortable they are. 
  #Person1#: I came to your store yesterday and have come back today to make a final decision. I think I like the black leather suite. It's on sale, isn't it? 
  #Person2#: Yes. The price has been reduced by 50%. It's a real bargain. 
  #Person1#: I'll take it. I also need to improve the lighting in my living room. Do you have any suggestions? 
  #Person2#: Those floor lamps are very nice and you can vary the brightness according to whether you're reading or watching tv. How big is your living room? 
  #Person1#: It's quite large. It's about 40 square metres. 
  #Person2#: I'd suggest you buy two. That allows you to change the brightness of the room better. 
  #Person1#: Ok. I like the design of this lamps. I also need some cushion covers. I'll just browse through those ones over there.