[Irvin] wants to throw a surprise party for his brother [Theodore]. [Irvin]'s brother [Charles] helps pick the decorations. [Theodore] and his grandfather [James] like to play chess together.
('Charles', 'James')
[Irvin] wants to throw a surprise party for his brother [Theodore]. [Irvin]'s brother [Charles] helps pick the decorations. [Theodore] and his grandfather [James] like to play chess together.
[{('Charles', 'grandfather', 'James'): [('Charles', 'brother', 'Irvin'), ('Irvin', 'grandfather', 'James')]}, {('Irvin', 'grandfather', 'James'): [('Irvin', 'brother', 'Theodore'), ('Theodore', 'grandfather', 'James')]}]
['brother', 'brother', 'grandfather']