[John] is a man with a son named [George]. [Timothy] is excited to cheer on his brother [John] in the homecoming game tonight.
('George', 'Timothy')
[John] is a man with a son named [George]. [Timothy] is excited to cheer on his brother [John] in the homecoming game tonight.
[{('George', 'son', 'Timothy'): [('George', 'son', 'John'), ('John', 'brother', 'Timothy')]}]
['son', 'brother']