[Francisco]'s son, [Richard], was ill and needed to be picked up at school. [Francisco] hurried to his side. [James] took his son [Francisco] to soccer practice. [Richard] made dinner reservations for his sister [Natasha].
('James', 'Natasha')
[James] took his son [Francisco] to soccer practice. [Francisco]'s son, [Richard], was ill and needed to be picked up at school. [Francisco] hurried to his side. [Richard] made dinner reservations for his sister [Natasha].
[{('James', 'granddaughter', 'Natasha'): [('James', 'son', 'Francisco'), ('Francisco', 'daughter', 'Natasha')]}, {('Francisco', 'daughter', 'Natasha'): [('Francisco', 'son', 'Richard'), ('Richard', 'sister', 'Natasha')]}]
['son', 'son', 'sister']