[Tony] and his sister [Charlotte] took their father out to eat for his birthday. They had a great time. [Charlotte] was sick. He stayed home from school and his grandmother, [Ashley], watched him. She made him chicken soup to feel better.
('Tony', 'Ashley')
[Tony] and his sister [Charlotte] took their father out to eat for his birthday. They had a great time. [Charlotte] was sick. He stayed home from school and his grandmother, [Ashley], watched him. She made him chicken soup to feel better.
[{('Tony', 'grandmother', 'Ashley'): [('Tony', 'sister', 'Charlotte'), ('Charlotte', 'grandmother', 'Ashley')]}]
['sister', 'grandmother']