[Dale] drove his daughters [Charlotte] and [Rosetta] to school.
('Rosetta', 'Charlotte')
[Dale] drove his daughters [Charlotte] and [Rosetta] to school.
[{('Rosetta', 'sister', 'Charlotte'): [('Rosetta', 'father', 'Dale'), ('Dale', 'daughter', 'Charlotte')]}]
['father', 'daughter']