[Lillian] was playing hide-and-seek with her sister [Nancy]. [Nancy] met her dad, [Clarence], for the first time when he returned from deployment.
('Lillian', 'Clarence')
[Lillian] was playing hide-and-seek with her sister [Nancy]. [Nancy] met her dad, [Clarence], for the first time when he returned from deployment.
[{('Lillian', 'father', 'Clarence'): [('Lillian', 'sister', 'Nancy'), ('Nancy', 'father', 'Clarence')]}]
['sister', 'father']