[Cindy] took her daughter [Natasha] and her son [Wayne] to school, she later visited her sister [Lena].
('Lena', 'Wayne')
[Cindy] took her daughter [Natasha] and her son [Wayne] to school, she later visited her sister [Lena].
[{('Lena', 'nephew', 'Wayne'): [('Lena', 'sister', 'Cindy'), ('Cindy', 'son', 'Wayne')]}, {('Cindy', 'son', 'Wayne'): [('Cindy', 'daughter', 'Natasha'), ('Natasha', 'brother', 'Wayne')]}]
['sister', 'daughter', 'brother']