[Brent] asked his father [John] if he could have a video game and he said okay. [Brent] and his sister [Renee] were twins. Still, they did n't look very much alike.
('John', 'Renee')
[Brent] asked his father [John] if he could have a video game and he said okay. [Brent] and his sister [Renee] were twins. Still, they did n't look very much alike.
[{('John', 'daughter', 'Renee'): [('John', 'son', 'Brent'), ('Brent', 'sister', 'Renee')]}]