[Wayne] and his sister [Theresa] got their mother [Theresa] a new computer for her birthday. She really liked it. [Wayne] and his brother [George] got into a fight over who was the better basketball player.
('George', 'Theresa')
[Wayne] and his brother [George] got into a fight over who was the better basketball player. [Wayne] and his sister [Theresa] got their mother [Theresa] a new computer for her birthday. She really liked it.
[{('George', 'sister', 'Theresa'): [('George', 'brother', 'Wayne'), ('Wayne', 'sister', 'Theresa')]}]
['brother', 'sister']