[Nicholas] bought his wife [Amy] roses. [Amy]'s daughter, [Natalia], just graduated high school.
('Nicholas', 'Natalia')
[Nicholas] bought his wife [Amy] roses. [Amy]'s daughter, [Natalia], just graduated high school.
[{('Nicholas', 'daughter', 'Natalia'): [('Nicholas', 'wife', 'Amy'), ('Amy', 'daughter', 'Natalia')]}]
['wife', 'daughter']