*Vertices 8 3 1 "Actor 1" 2 "Actor 2" 3 "Actor 3" 4 "Event 1" 5 "Event 2" 6 "Event 3" 7 "Event 4" 8 "Event 5" *Edges 1 4 1 5 2 4 2 5 2 6 2 8 3 4 3 7 3 8