[Bettie] was playing hide-and-seek with her sister [Laura]. [Bettie] needed to go to the store. [Bettie] asked her sister [Laura] for a ride. [Bernardo] called his sister [Emma] to find out if she wanted to go to the movies with him and his other sister [Bettie]. She was excited to join the two of them and they agreed to meet at 5pm.
('Bettie', 'Emma')
[Bettie] was playing hide-and-seek with her sister [Laura]. [Bettie] needed to go to the store. [Bettie] asked her sister [Laura] for a ride. [Bernardo] called his sister [Emma] to find out if she wanted to go to the movies with him and his other sister [Bettie]. She was excited to join the two of them and they agreed to meet at 5pm.
[{('Bettie', 'sister', 'Emma'): [('Bettie', 'sister', 'Laura'), ('Laura', 'sister', 'Emma')]}, {('Laura', 'sister', 'Emma'): [('Laura', 'brother', 'Bernardo'), ('Bernardo', 'sister', 'Emma')]}, {('Laura', 'brother', 'Bernardo'): [('Laura', 'sister', 'Bettie'), ('Bettie', 'brother', 'Bernardo')]}]
['sister', 'sister', 'brother', 'sister']