[Lillian] went shopping for makeup with her sister [Theresa]. [Lillian]'s son [Timothy] stayed at home.
('Theresa', 'Timothy')
[Lillian] went shopping for makeup with her sister [Theresa]. [Lillian]'s son [Timothy] stayed at home.
[{('Theresa', 'nephew', 'Timothy'): [('Theresa', 'sister', 'Lillian'), ('Lillian', 'son', 'Timothy')]}]
['sister', 'son']