[Bettie] was playing hide-and-seek with her sister [Laura]. [Tracy]'s mom, [Laura] got ready for the party. [Bernardo] and his sister [Bettie] are going for a walk. [Tracy] loves her brother [Pedro].
('Bernardo', 'Pedro')
[Bernardo] and his sister [Bettie] are going for a walk. [Bettie] was playing hide-and-seek with her sister [Laura]. [Tracy]'s mom, [Laura] got ready for the party. [Tracy] loves her brother [Pedro].
[{('Bernardo', 'uncle', 'Pedro'): [('Bernardo', 'mother', 'Tracy'), ('Tracy', 'brother', 'Pedro')]}, {('Bernardo', 'mother', 'Tracy'): [('Bernardo', 'sister', 'Laura'), ('Laura', 'mother', 'Tracy')]}, {('Bernardo', 'sister', 'Laura'): [('Bernardo', 'sister', 'Bettie'), ('Bettie', 'sister', 'Laura')]}]
['sister', 'sister', 'mother', 'brother']