[Lillian] and her mother [Ashley] went to volunteer at the homeless shelter last weekend. [Ashley] picked up her daughter [Theresa] from school early.
('Theresa', 'Lillian')
[Ashley] picked up her daughter [Theresa] from school early. [Lillian] and her mother [Ashley] went to volunteer at the homeless shelter last weekend.
[{('Theresa', 'sister', 'Lillian'): [('Theresa', 'mother', 'Ashley'), ('Ashley', 'daughter', 'Lillian')]}]
['mother', 'daughter']