[Lynn] asked her sister [Cindy] to hurry up and get off the phone. [Lynn]'s sister [David] told her to wait her turn and be more patient. [Cindy] picked up her daughter [Wilhelmina] from school early.
('Wilhelmina', 'David')
[Cindy] picked up her daughter [Wilhelmina] from school early. [Lynn] asked her sister [Cindy] to hurry up and get off the phone. [Lynn]'s sister [David] told her to wait her turn and be more patient.
[{('Wilhelmina', 'aunt', 'David'): [('Wilhelmina', 'mother', 'Cindy'), ('Cindy', 'sister', 'David')]}, {('Cindy', 'sister', 'David'): [('Cindy', 'sister', 'Lynn'), ('Lynn', 'sister', 'David')]}]
['mother', 'sister', 'sister']