answer: #Person2# sees an advertisement for the piano training class and wants #Person1# to take the class. #Person1# feels depressed.
documents: #Person1#: That's great! We made 20 minutes earlier.
  #Person2#: Good thing, we took a taxi.
  #Person1#: Mom, you are the best!
  #Person2#: Hey, look there. It is an advertisement of the piano training class on the billboard. The place is not far from our home.
  #Person1#: Mom, come on. What are you thinking about?
  #Person2#: Your sister is in high school now ; no one plays the piano at home.
  #Person1#: Don't tell me you want me to do that?
  #Person2#: Why? Why not! The piano is right there.
  #Person1#: But I don't like playing the piano. And the homework keeps me busy enough.
  #Person2#: Anyway, I will have a look at the piano class after work by myself.
  #Person1#: How depressed!