[Lillian] took her son [Jerry] to the football game. [Jerry] 'grandfather [Clarence] could n't figure how to turn the television on so [Jerry] helped him.
('Lillian', 'Clarence')
[Lillian] took her son [Jerry] to the football game. [Jerry] 'grandfather [Clarence] could n't figure how to turn the television on so [Jerry] helped him.
[{('Lillian', 'father', 'Clarence'): [('Lillian', 'son', 'Jerry'), ('Jerry', 'grandfather', 'Clarence')]}]
['son', 'grandfather']