[Jeff] is a man with a son named [Wayne]. [Jeff] was going to celebrate Christmas with his grandfather [Clarence].
('Wayne', 'Clarence')
[Jeff] is a man with a son named [Wayne]. [Jeff] was going to celebrate Christmas with his grandfather [Clarence].
[{('Wayne', 'father', 'Clarence'): [('Wayne', 'son', 'Jeff'), ('Jeff', 'grandfather', 'Clarence')]}]
['son', 'grandfather']