[Irvin] went to the baseball game with his brother [Theodore]. [Cindy] has a good relationship with her sister [Lena]. [Lena] and her son [Irvin] enjoy spending time together.
('Cindy', 'Theodore')
[Cindy] has a good relationship with her sister [Lena]. [Lena] and her son [Irvin] enjoy spending time together. [Irvin] went to the baseball game with his brother [Theodore].
[{('Cindy', 'nephew', 'Theodore'): [('Cindy', 'sister', 'Lena'), ('Lena', 'son', 'Theodore')]}, {('Lena', 'son', 'Theodore'): [('Lena', 'son', 'Irvin'), ('Irvin', 'brother', 'Theodore')]}]
['sister', 'son', 'brother']