[Lillian] and her daughter [April] are entering the competition together. [Lillian] needed to go to the store. [Lillian] asked her sister [Nancy] for a ride.
('Nancy', 'April')
[Lillian] needed to go to the store. [Lillian] asked her sister [Nancy] for a ride. [Lillian] and her daughter [April] are entering the competition together.
[{('Nancy', 'niece', 'April'): [('Nancy', 'sister', 'Lillian'), ('Lillian', 'daughter', 'April')]}]
['sister', 'daughter']