[Natasha] was eating dinner with her sister [Carrie]. [Natasha]'s brother [Wayne] was n't invited. [Wayne] was having an argument with her sister, [Wilhelmina].
('Carrie', 'Wilhelmina')
[Natasha] was eating dinner with her sister [Carrie]. [Natasha]'s brother [Wayne] was n't invited. [Wayne] was having an argument with her sister, [Wilhelmina].
[{('Carrie', 'sister', 'Wilhelmina'): [('Carrie', 'brother', 'Wayne'), ('Wayne', 'sister', 'Wilhelmina')]}, {('Carrie', 'brother', 'Wayne'): [('Carrie', 'sister', 'Natasha'), ('Natasha', 'brother', 'Wayne')]}]
['sister', 'brother', 'sister']