[Dale] who is [James]'s father grounded [James] after finding out what [James] had done at school. [George] took his brother [Dale] to Las Vegas to go gambling.
('George', 'James')
[George] took his brother [Dale] to Las Vegas to go gambling. [Dale] who is [James]'s father grounded [James] after finding out what [James] had done at school.
[{('George', 'nephew', 'James'): [('George', 'brother', 'Dale'), ('Dale', 'son', 'James')]}]
['brother', 'son']