answer: Alice shows the old school photographs and introduces her good friend Lily to #Person1#.
documents: #Person1#: Hi, Alice. What are you doing?
  #Person2#: I am looking at some old school photographs.
  #Person1#: Can I have a look? When was this photo taken?
  #Person2#: That photo was taken more than 7 years ago.
  #Person1#: Who is this girl?
  #Person2#: That's Lily. At first I didn't like her because I thought that she was too serious. She always had high marks in math. One day I found that she was very friendly and helpful. Then we became good friends.
  #Person1#: What does she do now?
  #Person2#: I heard she went back to Chicago and is now a teacher in a small town.