[Beverly] cooked her son [Samuel] his favorite meal yesterday because it was his birthday. [Pedro] is in the same grade as his sister [Beverly], but his sister [Marie] is 2 years ahead of him. [Nettie] was mad at her brother [Samuel], because [Samuel] had called her fat.
('Nettie', 'Marie')
[Nettie] was mad at her brother [Samuel], because [Samuel] had called her fat. [Beverly] cooked her son [Samuel] his favorite meal yesterday because it was his birthday. [Pedro] is in the same grade as his sister [Beverly], but his sister [Marie] is 2 years ahead of him.
[{('Nettie', 'aunt', 'Marie'): [('Nettie', 'mother', 'Beverly'), ('Beverly', 'sister', 'Marie')]}, {('Nettie', 'mother', 'Beverly'): [('Nettie', 'brother', 'Samuel'), ('Samuel', 'mother', 'Beverly')]}, {('Beverly', 'sister', 'Marie'): [('Beverly', 'brother', 'Pedro'), ('Pedro', 'sister', 'Marie')]}]
['brother', 'mother', 'brother', 'sister']