2022-02-09

updated: 2022-02-09_09:15:30-05:00

Diagram for Analysis problem2:

#direction: down  
#ranker: tight-tree  
[<actor>A] -> [<actor>X]  
[<actor>B] -> [<actor>Y]  
[<actor>B] -> [<actor>X]  
[<actor>C] -> [<actor>Y]  
[<actor>C] -> [<actor>Z]  
[<actor>D] -> [<actor>Z]