[Lillian] and her sister [Nancy] played golf together. [Lillian] won easily. [Lillian] went shopping at the mall with her mother [Ashley]
('Nancy', 'Ashley')
[Lillian] and her sister [Nancy] played golf together. [Lillian] won easily. [Lillian] went shopping at the mall with her mother [Ashley]
[{('Nancy', 'mother', 'Ashley'): [('Nancy', 'sister', 'Lillian'), ('Lillian', 'mother', 'Ashley')]}]
['sister', 'mother']