[Carrie] asked her two sisters [Natasha] and [Wilhelmina] if they were free for coffee this coming weekend. [Cindy] was so proud of her daughter [Natasha] for getting straight A's this semester.
('Wilhelmina', 'Cindy')
[Carrie] asked her two sisters [Natasha] and [Wilhelmina] if they were free for coffee this coming weekend. [Cindy] was so proud of her daughter [Natasha] for getting straight A's this semester.
[{('Wilhelmina', 'mother', 'Cindy'): [('Wilhelmina', 'sister', 'Carrie'), ('Carrie', 'mother', 'Cindy')]}, {('Carrie', 'mother', 'Cindy'): [('Carrie', 'sister', 'Natasha'), ('Natasha', 'mother', 'Cindy')]}]
['sister', 'sister', 'mother']