[Wilhelmina] and her sister [Anna] played golf together. [Wilhelmina] won easily. [Wilhelmina]'s father, [Francisco], never liked her too much. His son, [Pete], was always more important to him.
('Anna', 'Pete')
[Wilhelmina] and her sister [Anna] played golf together. [Wilhelmina] won easily. [Wilhelmina]'s father, [Francisco], never liked her too much. His son, [Pete], was always more important to him.
[{('Anna', 'brother', 'Pete'): [('Anna', 'father', 'Francisco'), ('Francisco', 'son', 'Pete')]}, {('Anna', 'father', 'Francisco'): [('Anna', 'sister', 'Wilhelmina'), ('Wilhelmina', 'father', 'Francisco')]}]
['sister', 'father', 'son']