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?
Two lines proceeding to boxes labeled N and O that are parallel
A single line that circles back to boxes A and B at the beginning of the diagram
Two lines that circle back to box G in the middle of the diagram
A single line proceeding to a single box labeled N
Two lines proceeding to boxes labeled N and O that are parallel
