answer: #Person1# and #Person2# decide to buy their daughter a phone as a birthday present. They intend to buy it online but the computer goes frozen, so they have to go to the store.
documents: #Person1#: May's birthday is coming. Shall we buy her a birthday present or let her choose one for herself?
  #Person2#: I think a surprise party may be better. But I forget when her birthday is.
  #Person1#: You are such a good father. It's next Sunday.
  #Person2#: Sorry. What shall we get for her?
  #Person1#: What about a cell phone? She is old enough to have one.
  #Person2#: Good idea. Shall we search on line to find an appropriate one or go to a phone store?
  #Person1#: Maybe we can try shopping on line.
  #Person2#: Sure. Okay, here is the website.
  #Person1#: I'm sure that May would love the pink one.
  #Person2#: Probably. People's consumptive habit is changing rapidly because of the internet.
  #Person1#: Totally. Computers bring with them convenience. Oh, what's wrong?
  #Person2#: The computer went frozen.
  #Person1#: Oh, it's such a pain. We'd better go to a store later.