[George] is proud of his son. His name is [Timothy]. [George] is so proud of his son. [Jerry] is the son's name.
('Timothy', 'Jerry')
[George] is proud of his son. His name is [Timothy]. [George] is so proud of his son. [Jerry] is the son's name.
[{('Timothy', 'brother', 'Jerry'): [('Timothy', 'father', 'George'), ('George', 'son', 'Jerry')]}]
['father', 'son']