[Cindy] and her sister [Lena] are the only children in their family. [Cindy] loves her brother [Hugh]. [Hugh] went to the baseball game with his son [Michael]
('Lena', 'Michael')
[Cindy] and her sister [Lena] are the only children in their family. [Cindy] loves her brother [Hugh]. [Hugh] went to the baseball game with his son [Michael]
[{('Lena', 'nephew', 'Michael'): [('Lena', 'brother', 'Hugh'), ('Hugh', 'son', 'Michael')]}, {('Lena', 'brother', 'Hugh'): [('Lena', 'sister', 'Cindy'), ('Cindy', 'brother', 'Hugh')]}]
['sister', 'brother', 'son']