[Pedro] and his sister [Tracy] took their father out to eat for his birthday. They had a great time. [Ronald] went to the football game with his uncle [Pedro]. [Lizzie] asked her mom, [Marie], to watch the dog while she was away. [Lizzie]'s brother, [Ronald], did it because he is better with dogs.
('Marie', 'Tracy')
[Lizzie] asked her mom, [Marie], to watch the dog while she was away. [Lizzie]'s brother, [Ronald], did it because he is better with dogs. [Ronald] went to the football game with his uncle [Pedro]. [Pedro] and his sister [Tracy] took their father out to eat for his birthday. They had a great time.
[{('Marie', 'sister', 'Tracy'): [('Marie', 'brother', 'Pedro'), ('Pedro', 'sister', 'Tracy')]}, {('Marie', 'brother', 'Pedro'): [('Marie', 'son', 'Ronald'), ('Ronald', 'uncle', 'Pedro')]}, {('Marie', 'son', 'Ronald'): [('Marie', 'daughter', 'Lizzie'), ('Lizzie', 'brother', 'Ronald')]}]
['daughter', 'brother', 'uncle', 'sister']