[Lena]'s daughter, [Mildred], just graduated high school. [Lena] and her sister [Lynn] were fighting. They never fight long though, and they made up the next day. [Mildred] was talking about food with her sister [Martha].
('Lynn', 'Martha')
[Lena] and her sister [Lynn] were fighting. They never fight long though, and they made up the next day. [Lena]'s daughter, [Mildred], just graduated high school. [Mildred] was talking about food with her sister [Martha].
[{('Lynn', 'niece', 'Martha'): [('Lynn', 'sister', 'Lena'), ('Lena', 'daughter', 'Martha')]}, {('Lena', 'daughter', 'Martha'): [('Lena', 'daughter', 'Mildred'), ('Mildred', 'sister', 'Martha')]}]
['sister', 'daughter', 'sister']