[Laura] spent the whole month of January at her grandfather [Harold]'s house. [Aaron] was having an argument with her sister, [Laura]. [Antonio] watched his daughter [Bettie] playing basketball. [Bettie] threw the ball to her brother [Aaron] who made the basket.
('Antonio', 'Harold')
[Antonio] watched his daughter [Bettie] playing basketball. [Bettie] threw the ball to her brother [Aaron] who made the basket. [Aaron] was having an argument with her sister, [Laura]. [Laura] spent the whole month of January at her grandfather [Harold]'s house.
[{('Antonio', 'father', 'Harold'): [('Antonio', 'daughter', 'Laura'), ('Laura', 'grandfather', 'Harold')]}, {('Antonio', 'daughter', 'Laura'): [('Antonio', 'daughter', 'Bettie'), ('Bettie', 'sister', 'Laura')]}, {('Bettie', 'sister', 'Laura'): [('Bettie', 'brother', 'Aaron'), ('Aaron', 'sister', 'Laura')]}]
['daughter', 'brother', 'sister', 'grandfather']