[Travis] loved staying weekends at his grandfather [Clarence]'s house. He would listen to [Clarence]'s stories, play checkers, and drink hot chocolate. When he goes home on Sundays he works on homework with his brother [Tony].
('Clarence', 'Tony')
[Travis] loved staying weekends at his grandfather [Clarence]'s house. He would listen to [Clarence]'s stories, play checkers, and drink hot chocolate. When he goes home on Sundays he works on homework with his brother [Tony].
[{('Clarence', 'grandson', 'Tony'): [('Clarence', 'grandson', 'Travis'), ('Travis', 'brother', 'Tony')]}]
['grandson', 'brother']