[Lillian] looks up to her father, [Clarence]. [Clarence] took his son [Nicholas] to soccer practice.
('Lillian', 'Nicholas')
[Lillian] looks up to her father, [Clarence]. [Clarence] took his son [Nicholas] to soccer practice.
[{('Lillian', 'brother', 'Nicholas'): [('Lillian', 'father', 'Clarence'), ('Clarence', 'son', 'Nicholas')]}]
['father', 'son']