[Louise] went shopping at the mall with her mother [Nancy] [Nancy] took her daughter, [Heidi], out to High Tea yesterday afternoon.
('Louise', 'Heidi')
[Louise] went shopping at the mall with her mother [Nancy] [Nancy] took her daughter, [Heidi], out to High Tea yesterday afternoon.
[{('Louise', 'sister', 'Heidi'): [('Louise', 'mother', 'Nancy'), ('Nancy', 'daughter', 'Heidi')]}]
['mother', 'daughter']