[Lillian] and her brother [Wayne] went to the basketball game and had a great time. [Lillian] took her son [Jerry] to the park for the afternoon.
('Wayne', 'Jerry')
[Lillian] and her brother [Wayne] went to the basketball game and had a great time. [Lillian] took her son [Jerry] to the park for the afternoon.
[{('Wayne', 'nephew', 'Jerry'): [('Wayne', 'sister', 'Lillian'), ('Lillian', 'son', 'Jerry')]}]
['sister', 'son']