[Lena] asked her sister [Lynn] to play with her. [Lynn] did n't want to, she wanted to play with her sister [Cindy] instead. [Cindy] treasures her son, [Leonard]. She recently attended his high school graduation and it was the proudest day of her life.
('Lena', 'Leonard')
[Lena] asked her sister [Lynn] to play with her. [Lynn] did n't want to, she wanted to play with her sister [Cindy] instead. [Cindy] treasures her son, [Leonard]. She recently attended his high school graduation and it was the proudest day of her life.
[{('Lena', 'nephew', 'Leonard'): [('Lena', 'sister', 'Cindy'), ('Cindy', 'son', 'Leonard')]}, {('Lena', 'sister', 'Cindy'): [('Lena', 'sister', 'Lynn'), ('Lynn', 'sister', 'Cindy')]}]
['sister', 'sister', 'son']