[Lynn] asked her sister [Cindy] to play with her. [Cindy] did n't want to, she wanted to play with her sister [David] instead. [Marie] and her mother [David] went dress shopping on Saturday.
('Lynn', 'Marie')
[Lynn] asked her sister [Cindy] to play with her. [Cindy] did n't want to, she wanted to play with her sister [David] instead. [Marie] and her mother [David] went dress shopping on Saturday.
[{('Lynn', 'niece', 'Marie'): [('Lynn', 'sister', 'David'), ('David', 'daughter', 'Marie')]}, {('Lynn', 'sister', 'David'): [('Lynn', 'sister', 'Cindy'), ('Cindy', 'sister', 'David')]}]
['sister', 'sister', 'daughter']