A teacher was sitting at her desk grading papers, when her first grade class came back from lunch.
Theresa informed the teacher, 'John has to go to the principal's office.'
'I wonder why,' the teacher mused.
'Because he's a following person,' Theresa replied.
'A what?' the teacher asked.
'It came over the loudspeaker: 'The following persons are to go to the office'.'