[Amy] took her son [Michael] to the football game. [Clarence] is a benevolent grandfather, and [Michael] is his young grandson.
('Amy', 'Clarence')
[Amy] took her son [Michael] to the football game. [Clarence] is a benevolent grandfather, and [Michael] is his young grandson.
[{('Amy', 'father', 'Clarence'): [('Amy', 'son', 'Michael'), ('Michael', 'grandfather', 'Clarence')]}]
['son', 'grandfather']