answer: #Person1# teaches Bill to throw paper properly and asks him to empty the basket. Bill empties it in the playground and #Person1# asks him to pick it up.
documents: #Person1#: Don't throw paper on the floor, Bill.
  #Person2#: Where shall I put it, miss?
  #Person1#: Put it in the waste-paper basket, please.
  #Person2#: But Peter and Tony put all their paper in the basket a few moments ago. Now it's full.
  #Person1#: In that case, take the basket outside and empty it.
  #Person2#: Yes, miss.
  #Person1#: Where did you empty the basket, Bill?
  #Person2#: In the playground, miss.
  #Person1#: Silly boy! The dustbin is at the back of the school. Now pick up the paperand put it in the dustbiri.