[Nicholas] and his sister [Theresa] went to the ice skating rink. [Nicholas] fell down and [Theresa] laughed at him. [Natalia] has a great relationship with her father [Nicholas].
('Natalia', 'Theresa')
[Natalia] has a great relationship with her father [Nicholas]. [Nicholas] and his sister [Theresa] went to the ice skating rink. [Nicholas] fell down and [Theresa] laughed at him.
[{('Natalia', 'aunt', 'Theresa'): [('Natalia', 'father', 'Nicholas'), ('Nicholas', 'sister', 'Theresa')]}]
['father', 'sister']