answer: Shirley and Michael introduce themselves. Shirley was invited to the party by Judy while Michael was invited by George.
documents: #Person1#: Have we met?
  #Person2#: I don't think so. Michael.
  #Person1#: Hello, Michael. My name's Shirley. Pleased to meet you.
  #Person2#: Pleased to meet you, too, Shirley. So, what do you do?
  #Person1#: I work in marketing. I'm a regional marketing manager for an IT company. Normally, I work out of Beijing, but I'm here on business. My friend Judy over there, she lives here and she invited me to this party. And you? How about you?
  #Person2#: I live here. I was invited by George-he's the tall guy over there. He looks a bit drunk, actually. . .