[Janet] and her sister [Andrea] braided each other's hair before school. [Lillian] took her daughter [Janet] to the store to find her some new boots for the cold winter weather.
('Andrea', 'Lillian')
[Janet] and her sister [Andrea] braided each other's hair before school. [Lillian] took her daughter [Janet] to the store to find her some new boots for the cold winter weather.
[{('Andrea', 'mother', 'Lillian'): [('Andrea', 'sister', 'Janet'), ('Janet', 'mother', 'Lillian')]}]
['sister', 'mother']