[Nicholas] and his brother [Wayne] were rarely seen apart. [Natalia] bought some shoes for her father [Nicholas].
('Natalia', 'Wayne')
[Natalia] bought some shoes for her father [Nicholas]. [Nicholas] and his brother [Wayne] were rarely seen apart.
[{('Natalia', 'uncle', 'Wayne'): [('Natalia', 'father', 'Nicholas'), ('Nicholas', 'brother', 'Wayne')]}]
['father', 'brother']