[Samuel] was having an argument with her sister, [Nettie]. [Dorothy]'s niece [Nettie] was a massive fan of Pokemon. [Dorothy] was playing in the sandbox with her brother [Robert]. [Beverly] took her son, [Samuel], to the movie theater for his birthday.
('Beverly', 'Robert')
[Beverly] took her son, [Samuel], to the movie theater for his birthday. [Samuel] was having an argument with her sister, [Nettie]. [Dorothy]'s niece [Nettie] was a massive fan of Pokemon. [Dorothy] was playing in the sandbox with her brother [Robert].
[{('Beverly', 'brother', 'Robert'): [('Beverly', 'sister', 'Dorothy'), ('Dorothy', 'brother', 'Robert')]}, {('Beverly', 'sister', 'Dorothy'): [('Beverly', 'daughter', 'Nettie'), ('Nettie', 'aunt', 'Dorothy')]}, {('Beverly', 'daughter', 'Nettie'): [('Beverly', 'son', 'Samuel'), ('Samuel', 'sister', 'Nettie')]}]
['son', 'sister', 'aunt', 'brother']