[Jeff] asked his brother [Jacob] to leave. [Jacob] did, and went to his grandfather [Clarence]'s house, instead.
('Jeff', 'Clarence')
[Jeff] asked his brother [Jacob] to leave. [Jacob] did, and went to his grandfather [Clarence]'s house, instead.
[{('Jeff', 'grandfather', 'Clarence'): [('Jeff', 'brother', 'Jacob'), ('Jacob', 'grandfather', 'Clarence')]}]
['brother', 'grandfather']