[Cindy] needed to go to the store. [Cindy] asked her sister [David] for a ride. [Cindy] was playing games with her son [Wayne]. [Wayne]'s sister [Natasha] did n't want to join them.
('David', 'Natasha')
[Cindy] needed to go to the store. [Cindy] asked her sister [David] for a ride. [Cindy] was playing games with her son [Wayne]. [Wayne]'s sister [Natasha] did n't want to join them.
[{('David', 'niece', 'Natasha'): [('David', 'sister', 'Cindy'), ('Cindy', 'daughter', 'Natasha')]}, {('Cindy', 'daughter', 'Natasha'): [('Cindy', 'son', 'Wayne'), ('Wayne', 'sister', 'Natasha')]}]
['sister', 'son', 'sister']