answer: Stella is going to help her mother prepare for her brother Kit's four-year-old birthday. She also has a big brother who is married with a baby.
documents: #Person1#: Hi, you're new here, aren't you? What's your name?
  #Person2#: Stella.
  #Person1#: Want to come and play?
  #Person2#: I'd like to, but I can't. My mom says I've got to stay and help her. It's my brother's birthday and we're having a party.
  #Person1#: Oh, you've got a brother, have you?
  #Person2#: I've got two brothers. Kit, the one with the birthday. He's only little. He's four. I've got a big brother who's married. His name is Don.
  #Person1#: Does your brother Don live near here?
  #Person2#: Yes, not very far away. Cathe, his wife, works in the shop over there. They've got a new baby called Liz. I mean Elizabeth really, but we call her Liz.
  #Person1#: Is that your mom over there calling you?
  #Person2#: No, that's my aunt May, my mother's sister. I'd better go. Bye.
  #Person1#: Bye.