Use a tree to model the parent-child relationships within a family. Patty has three children: Shelly, Laura, and Kerry. Shelly has no children. Laura also has no children. Kerry, on the other hand, has three children: Harpo, Bertie, and Dolores. Use vertices to represent the people and edges to represent the parent-child relationships. Label the vertices with the person's initials.
Choose the graph that represents the parent-child relationships.