Switch!
Stan stole all of his co-worker's pens. He replaced all the black inks with red ink. Stan put back all the pens and waited. The co-worker was very angry when he discovered this prank. Stan did not take credit because of how angry the co-worker was.
Stan stole all of his co-worker's pens. He replaced all the black inks with red ink. Stan put back all the pens and waited. The co-worker was very angry when he discovered this prank. Stan did not take credit because of how angry the co-worker was.