[Lillian] needed to go to the store. [Lillian] asked her sister [Nancy] for a ride. [Lorraine] was celebrating her birthday with her mother [Nancy].
('Lorraine', 'Lillian')
[Lorraine] was celebrating her birthday with her mother [Nancy]. [Lillian] needed to go to the store. [Lillian] asked her sister [Nancy] for a ride.
[{('Lorraine', 'aunt', 'Lillian'): [('Lorraine', 'mother', 'Nancy'), ('Nancy', 'sister', 'Lillian')]}]
['mother', 'sister']