[June] and her sister [Rosetta] played golf together. [June] won easily. [June] really enjoys visiting her grandfather [Clarence].
('Rosetta', 'Clarence')
[June] and her sister [Rosetta] played golf together. [June] won easily. [June] really enjoys visiting her grandfather [Clarence].
[{('Rosetta', 'grandfather', 'Clarence'): [('Rosetta', 'sister', 'June'), ('June', 'grandfather', 'Clarence')]}]
['sister', 'grandfather']