Last night, [Amy] went out with her sister [Lillian], accompanied by [Amy]'s daughter [Natalia].
('Lillian', 'Natalia')
Last night, [Amy] went out with her sister [Lillian], accompanied by [Amy]'s daughter [Natalia].
[{('Lillian', 'niece', 'Natalia'): [('Lillian', 'sister', 'Amy'), ('Amy', 'daughter', 'Natalia')]}]
['sister', 'daughter']