answer: Dad and Millie are talking about preparing for mom's fiftieth birthday. They are going to buy some food this afternoon.
documents: #Person1#: Millie, tomorrow is your mom's fiftieth birthday. Do you know that?
  #Person2#: Of course. What should we do for it?
  #Person1#: First of all, a birthday present. What about buying her a beautiful skirt?
  #Person2#: That's a good idea. It'll make her look younger. And a big birthday cake, too.
  #Person1#: Right? Should we have a special dinner?
  #Person2#: How about a Chinese dinner?
  #Person1#: Fine. Where shall we have it?
  #Person2#: We can have it at home. I have learned to cook a few dishes from a Chinese friend. I'm sure mom will like them.
  #Person1#: All right. Are you going to the grocery store to buy some food as well?
  #Person2#: Yeah. Why don't we go together, dad?
  #Person1#: I'd love to. When?
  #Person2#: How about this afternoon?
  #Person1#: OK.