[Francisco] and his daughter [Wilhelmina] go to the beach every year. They always have an amazing time. [Wilhelmina] and her mother [Cindy] went out to eat. [Cindy]'s sister, [David], went with them.
('Francisco', 'David')
[Francisco] and his daughter [Wilhelmina] go to the beach every year. They always have an amazing time. [Wilhelmina] and her mother [Cindy] went out to eat. [Cindy]'s sister, [David], went with them.
[{('Francisco', 'sister', 'David'): [('Francisco', 'daughter', 'Wilhelmina'), ('Wilhelmina', 'aunt', 'David')]}, {('Wilhelmina', 'aunt', 'David'): [('Wilhelmina', 'mother', 'Cindy'), ('Cindy', 'sister', 'David')]}]
['daughter', 'mother', 'sister']