If the diagram below were to continue past M, what must be added to correctly represent what happens to a bill if it is vetoed?Â
 Two lines proceeding to boxes labeled N and O that are parallelÂ
A single line that circles back to boxes A and B at the beginning of the diagramÂ
Two lines that circle back to box G in the middle of the diagramÂ
A single line proceeding to a single box labeled N
 Two lines proceeding to boxes labeled N and O that are parallelÂ
