[Frances] told her daughter [Cindy] to wash up. Dinner was ready. [Cindy] asked her sister [Lynn] to play with her. [Lynn] did n't want to, she wanted to play with her sister [David] instead.
('Frances', 'David')
[Frances] told her daughter [Cindy] to wash up. Dinner was ready. [Cindy] asked her sister [Lynn] to play with her. [Lynn] did n't want to, she wanted to play with her sister [David] instead.
[{('Frances', 'daughter', 'David'): [('Frances', 'daughter', 'Lynn'), ('Lynn', 'sister', 'David')]}, {('Frances', 'daughter', 'Lynn'): [('Frances', 'daughter', 'Cindy'), ('Cindy', 'sister', 'Lynn')]}]
['daughter', 'sister', 'sister']