[Lillian] drove her son [Jerry] to his soccer game. [Lillian] took her daughter [Andrea] to the store to find her some new boots for the cold winter weather.
('Andrea', 'Jerry')
[Lillian] took her daughter [Andrea] to the store to find her some new boots for the cold winter weather. [Lillian] drove her son [Jerry] to his soccer game.
[{('Andrea', 'brother', 'Jerry'): [('Andrea', 'mother', 'Lillian'), ('Lillian', 'son', 'Jerry')]}]
['mother', 'son']