answer: Mary had a birthday party for her sister last night and stayed up late typing a literature paper.
documents: #Person1#: Are you feeling all right, Mary? You look a little tired.
  #Person2#: My brother and I had a birthday for my sister last night. So I didn't have much sleep.
  #Person1#: Where did you have the party?
  #Person2#: It was at my uncle's house.
  #Person1#: Did you go back home very late?
  #Person2#: Not really. But when I was home, I had to start typing a literature paper that was due first thing in the morning.
  #Person1#: Couldn't you do it today?
  #Person2#: No, our professor said she wouldn't accept any late papers.
  #Person1#: Then how did you manage it?
  #Person2#: Well, I just turned my paper in, and now I'm going home to bed. See you!