answer: The supervisor warns #Person1# not to make noise, which disturbs their neighbors' sleep.
documents: #Person1#: Who is it?
  #Person2#: Supervisor. Open the door.
  #Person1#: Wait a sec.
  #Person2#: What are you doing here?
  #Person1#: We're watching a football match. What's the matter?
  #Person2#: Your neighbors complained that you were so noisy that they can't sleep.
  #Person1#: I'm sorry about this.
  #Person2#: Please turn down the TV. And not another shout or I'll have to report you to the school administration.
  #Person1#: You can rest assured that we won't disturb others anymore.