[Lillian]'s daughter, [Ann], just graduated high school. [Janet] went shopping at the mall with her mother [Lillian]
('Janet', 'Ann')
[Janet] went shopping at the mall with her mother [Lillian] [Lillian]'s daughter, [Ann], just graduated high school.
[{('Janet', 'sister', 'Ann'): [('Janet', 'mother', 'Lillian'), ('Lillian', 'daughter', 'Ann')]}]
['mother', 'daughter']