[Cindy] was celebrating her birthday with her mother [Frances]. [Frances] and her daughter [Lena] went out to dinner. [Joshua] did n't get along very well with his sister [Cindy] for some reason.
('Joshua', 'Lena')
[Joshua] did n't get along very well with his sister [Cindy] for some reason. [Cindy] was celebrating her birthday with her mother [Frances]. [Frances] and her daughter [Lena] went out to dinner.
[{('Joshua', 'sister', 'Lena'): [('Joshua', 'mother', 'Frances'), ('Frances', 'daughter', 'Lena')]}, {('Joshua', 'mother', 'Frances'): [('Joshua', 'sister', 'Cindy'), ('Cindy', 'mother', 'Frances')]}]
['sister', 'mother', 'daughter']