[Anna] loved her mother [Cindy]. She was heartbroken when she heard [Cindy] had suddenly passed away. [Cindy] liked to take her son [Richard] and his sister [Natasha] out to the park whenever she had the time.
('Anna', 'Natasha')
[Anna] loved her mother [Cindy]. She was heartbroken when she heard [Cindy] had suddenly passed away. [Cindy] liked to take her son [Richard] and his sister [Natasha] out to the park whenever she had the time.
[{('Anna', 'sister', 'Natasha'): [('Anna', 'mother', 'Cindy'), ('Cindy', 'daughter', 'Natasha')]}, {('Cindy', 'daughter', 'Natasha'): [('Cindy', 'son', 'Richard'), ('Richard', 'sister', 'Natasha')]}]
['mother', 'son', 'sister']