[Amy] and her sister [Theresa] played golf together. [Amy] won easily. [Amy] liked to play hide and seek with her son [Michael].
('Theresa', 'Michael')
[Amy] and her sister [Theresa] played golf together. [Amy] won easily. [Amy] liked to play hide and seek with her son [Michael].
[{('Theresa', 'nephew', 'Michael'): [('Theresa', 'sister', 'Amy'), ('Amy', 'son', 'Michael')]}]
['sister', 'son']