answer: Daniel and Tom are on duty today. Daniel asks Tom to clean the blackboard and the podium and Daniel'll sweep the floor.
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 end 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.