[Lena] talks to her son [Charles] every day. [Cindy] and her nephew [Charles] played the piano together. [Cindy] and her daughter [Natasha] went to church. They were both very religious.
('Lena', 'Natasha')
[Lena] talks to her son [Charles] every day. [Cindy] and her nephew [Charles] played the piano together. [Cindy] and her daughter [Natasha] went to church. They were both very religious.
[{('Lena', 'niece', 'Natasha'): [('Lena', 'sister', 'Cindy'), ('Cindy', 'daughter', 'Natasha')]}, {('Lena', 'sister', 'Cindy'): [('Lena', 'son', 'Charles'), ('Charles', 'aunt', 'Cindy')]}]
['son', 'aunt', 'daughter']