[Cindy] took her daughter, [Wilhelmina], out to High Tea yesterday afternoon. [David] drove her son [Johnson] to his soccer game. [Johnson] was glad his aunt [Cindy] could visit for a while
('David', 'Wilhelmina')
[David] drove her son [Johnson] to his soccer game. [Johnson] was glad his aunt [Cindy] could visit for a while [Cindy] took her daughter, [Wilhelmina], out to High Tea yesterday afternoon.
[{('David', 'niece', 'Wilhelmina'): [('David', 'sister', 'Cindy'), ('Cindy', 'daughter', 'Wilhelmina')]}, {('David', 'sister', 'Cindy'): [('David', 'son', 'Johnson'), ('Johnson', 'aunt', 'Cindy')]}]
['son', 'aunt', 'daughter']