[George] watched his daughter [Andrea] playing basketball. [Andrea] threw the ball to her brother [Timothy] who made the basket.
('George', 'Timothy')
[George] watched his daughter [Andrea] playing basketball. [Andrea] threw the ball to her brother [Timothy] who made the basket.
[{('George', 'son', 'Timothy'): [('George', 'daughter', 'Andrea'), ('Andrea', 'brother', 'Timothy')]}]
['daughter', 'brother']