[Wayne] is so proud of his son. [Jeff] is the son's name. [Jeff] loves his grandfather [Clarence], very much. [Clarence] loves him, too.
('Wayne', 'Clarence')
[Wayne] is so proud of his son. [Jeff] is the son's name. [Jeff] loves his grandfather [Clarence], very much. [Clarence] loves him, too.
[{('Wayne', 'father', 'Clarence'): [('Wayne', 'son', 'Jeff'), ('Jeff', 'grandfather', 'Clarence')]}]
['son', 'grandfather']