answer: #Person2# is worried about #Person2#'s daughter because she's become different recently. #Person2# thinks it's not a big deal.
documents: #Person1#: You look upset these days. Anything wrong?
  #Person2#: Not really, I'm just worried about my daughter.
  #Person1#: Oh, you mean Susan. Why? She's such a nice girl.
  #Person2#: Yeah I know. But somehow she's become different recently.
  #Person1#: In what ways? What has she done?
  #Person2#: Oh, no, you don't really want to hear it.
  #Person1#: Come on. I am a mother of two girls.
  #Person2#: Ok. I'm worried because she often hides in her room and sends messages to her friends.
  #Person1#: Come on. It's not a big deal. She needs friends at this age. You can talk with her if you are really concerned.
  #Person2#: I guess so. Anyway, she is growing up.