[Clarence] bought his granddaughter [June] a new car. [June]'s sister [Rosetta] was so jealous.
('Clarence', 'Rosetta')
[Clarence] bought his granddaughter [June] a new car. [June]'s sister [Rosetta] was so jealous.
[{('Clarence', 'granddaughter', 'Rosetta'): [('Clarence', 'granddaughter', 'June'), ('June', 'sister', 'Rosetta')]}]
['granddaughter', 'sister']