[Frances] and her daughters [David] and [Cindy] went to the mall. [Cindy] 'daughter [Wilhelmina] was in school and could not join them.
('Wilhelmina', 'Frances')
[Frances] and her daughters [David] and [Cindy] went to the mall. [Cindy] 'daughter [Wilhelmina] was in school and could not join them.
[{('Wilhelmina', 'grandmother', 'Frances'): [('Wilhelmina', 'mother', 'Cindy'), ('Cindy', 'mother', 'Frances')]}, {('Cindy', 'mother', 'Frances'): [('Cindy', 'sister', 'David'), ('David', 'mother', 'Frances')]}]
['mother', 'sister', 'mother']