[Andrea]'s sister, [Dolores], recently started acting. [Thomas] and his sister [Dolores] love to play video games. [Andrea] loves her grandfather [James] very much
('Thomas', 'James')
[Thomas] and his sister [Dolores] love to play video games. [Andrea]'s sister, [Dolores], recently started acting. [Andrea] loves her grandfather [James] very much
[{('Thomas', 'grandfather', 'James'): [('Thomas', 'sister', 'Dolores'), ('Dolores', 'grandfather', 'James')]}, {('Dolores', 'grandfather', 'James'): [('Dolores', 'sister', 'Andrea'), ('Andrea', 'grandfather', 'James')]}]
['sister', 'sister', 'grandfather']