[Theresa] was more than happy to help her sister by watching her child [Natalia]. [Natalia] and her mother [Amy] went to volunteer at the homeless shelter last weekend.
('Amy', 'Theresa')
[Natalia] and her mother [Amy] went to volunteer at the homeless shelter last weekend. [Theresa] was more than happy to help her sister by watching her child [Natalia].
[{('Amy', 'sister', 'Theresa'): [('Amy', 'daughter', 'Natalia'), ('Natalia', 'aunt', 'Theresa')]}]
['daughter', 'aunt']