[Brent]'s grandfather [Roy] takes him to football games every Sunday during the season. [John] was proud of his son, [Brent].
('John', 'Roy')
[John] was proud of his son, [Brent]. [Brent]'s grandfather [Roy] takes him to football games every Sunday during the season.
[{('John', 'father', 'Roy'): [('John', 'son', 'Brent'), ('Brent', 'grandfather', 'Roy')]}]