[Lillian] has a good relationship with her sister [Theresa]. [Theresa] and her son [Nicolas] enjoy spending time together.
('Lillian', 'Nicolas')
[Lillian] has a good relationship with her sister [Theresa]. [Theresa] and her son [Nicolas] enjoy spending time together.
[{('Lillian', 'nephew', 'Nicolas'): [('Lillian', 'sister', 'Theresa'), ('Theresa', 'son', 'Nicolas')]}]
['sister', 'son']