[Lynn] took her sister [David] out for dinner to celebrate her birthday. [Cindy] went to the arcade with her niece, [Dolores]. They had lots of fun playing together. [Dolores] adores her daughter [Lynn]. [Lynn] loves her very much, too.
('David', 'Cindy')
[Lynn] took her sister [David] out for dinner to celebrate her birthday. [Dolores] adores her daughter [Lynn]. [Lynn] loves her very much, too. [Cindy] went to the arcade with her niece, [Dolores]. They had lots of fun playing together.
[{('David', 'sister', 'Cindy'): [('David', 'sister', 'Lynn'), ('Lynn', 'sister', 'Cindy')]}, {('Lynn', 'sister', 'Cindy'): [('Lynn', 'daughter', 'Dolores'), ('Dolores', 'aunt', 'Cindy')]}]
['sister', 'daughter', 'aunt']