[Bernardo] and his brother [Aaron] had a fight. They did n't speak to each other for a whole week afterwards. [Bernardo] called his mother, [Tracy], to tell her the good news of his engagement. [Aaron] and his brother [Bernardo] like to go to the movies every weekend. [Bettie] has started to accompany her brother [Bernardo] to the movies whenever he goes.
('Bettie', 'Tracy')
[Aaron] and his brother [Bernardo] like to go to the movies every weekend. [Bettie] has started to accompany her brother [Bernardo] to the movies whenever he goes. [Bernardo] and his brother [Aaron] had a fight. They did n't speak to each other for a whole week afterwards. [Bernardo] called his mother, [Tracy], to tell her the good news of his engagement.
[{('Bettie', 'mother', 'Tracy'): [('Bettie', 'brother', 'Aaron'), ('Aaron', 'mother', 'Tracy')]}, {('Bettie', 'brother', 'Aaron'): [('Bettie', 'brother', 'Bernardo'), ('Bernardo', 'brother', 'Aaron')]}, {('Aaron', 'mother', 'Tracy'): [('Aaron', 'brother', 'Bernardo'), ('Bernardo', 'mother', 'Tracy')]}]
['brother', 'brother', 'brother', 'mother']