[Antonio] went to the game with his son [Bobby] and his father [Harold] [Erika] loves her brother [Aaron]. [Erika] is n't too fond of her brother [Bobby] though.
('Harold', 'Aaron')
[Antonio] went to the game with his son [Bobby] and his father [Harold] [Erika] loves her brother [Aaron]. [Erika] is n't too fond of her brother [Bobby] though.
[{('Harold', 'grandson', 'Aaron'): [('Harold', 'grandson', 'Bobby'), ('Bobby', 'brother', 'Aaron')]}, {('Harold', 'grandson', 'Bobby'): [('Harold', 'son', 'Antonio'), ('Antonio', 'son', 'Bobby')]}, {('Bobby', 'brother', 'Aaron'): [('Bobby', 'sister', 'Erika'), ('Erika', 'brother', 'Aaron')]}]
['son', 'son', 'sister', 'brother']