[Wilhelmina] took her mother, [Cindy], out for lunch. [Anna] and her mother [Cindy] went to volunteer at the homeless shelter last weekend. [Frances] took her granddaughter [Wilhelmina] to the movies.
('Frances', 'Anna')
[Frances] took her granddaughter [Wilhelmina] to the movies. [Wilhelmina] took her mother, [Cindy], out for lunch. [Anna] and her mother [Cindy] went to volunteer at the homeless shelter last weekend.
[{('Frances', 'granddaughter', 'Anna'): [('Frances', 'granddaughter', 'Wilhelmina'), ('Wilhelmina', 'sister', 'Anna')]}, {('Wilhelmina', 'sister', 'Anna'): [('Wilhelmina', 'mother', 'Cindy'), ('Cindy', 'daughter', 'Anna')]}]
['granddaughter', 'mother', 'daughter']