[George]'s son, [Timothy], went to the candy store. [Timothy]'s brother, [Jerry], went with him.
('George', 'Jerry')
[George]'s son, [Timothy], went to the candy store. [Timothy]'s brother, [Jerry], went with him.
[{('George', 'son', 'Jerry'): [('George', 'son', 'Timothy'), ('Timothy', 'brother', 'Jerry')]}]
['son', 'brother']