answer: Tom and Daniel are on duty and they have to finish their work before their teacher and classmates come.
documents: #Person1#: Don't talk too much, Tom. We are on duty today, we should hurry up.
  #Person2#: OK.
  #Person1#: Tom, your task is to clean the blackboard.
  #Person2#: How about yourself?
  #Person1#: I'm going to sweep the floor first.
  #Person2#: Daniel, I am not tall enough to reach the of the blackboard.
  #Person1#: Stand on the chair, Pig Tom. Use your brain.
  #Person2#: OK, I've finished cleaning the blackboard.
  #Person1#: How about the podium?
  #Person2#: Oh, I forgot about it. I'll get it.
  #Person1#: Be quick, please. Our teacher and classmates will come soon.
  #Person2#: I will be done before they come.