[Chris] and his brother [Theodore] got into a fight over who was the better basketball player. [Theodore] took his sister [Tina] out to dinner for her birthday. [Chris] looks to his loving mother [Lena] for guidance in with his math homework.
('Tina', 'Lena')
[Theodore] took his sister [Tina] out to dinner for her birthday. [Chris] and his brother [Theodore] got into a fight over who was the better basketball player. [Chris] looks to his loving mother [Lena] for guidance in with his math homework.
[{('Tina', 'mother', 'Lena'): [('Tina', 'brother', 'Chris'), ('Chris', 'mother', 'Lena')]}, {('Tina', 'brother', 'Chris'): [('Tina', 'brother', 'Theodore'), ('Theodore', 'brother', 'Chris')]}]
['brother', 'brother', 'mother']