A$,$ B$,$ C$,$ D and E represent the rooms in the building, while $0$ represents the outside of the building. If a$,$ B$,$ C$,$ D$,$ E and $0$ are expressed as edges $($E$)$ and doors that connect between rooms or between rooms with the outside are expressed as Edge $($E$)$ or sides. Draw the building in graph form and provide an explanation of the graph you created!