[Dale] went to the wedding ceremony for his brother [George]. [George] went to the baseball game with his son [Timothy]
('Dale', 'Timothy')
[Dale] went to the wedding ceremony for his brother [George]. [George] went to the baseball game with his son [Timothy]
[{('Dale', 'nephew', 'Timothy'): [('Dale', 'brother', 'George'), ('George', 'son', 'Timothy')]}]
['brother', 'son']