[Clarence] is supporting his daughters, [Nancy] and [Amy] while they are in school.
('Nancy', 'Amy')
[Clarence] is supporting his daughters, [Nancy] and [Amy] while they are in school.
[{('Nancy', 'sister', 'Amy'): [('Nancy', 'father', 'Clarence'), ('Clarence', 'daughter', 'Amy')]}]
['father', 'daughter']