[Jerry] was playing golf with his uncle [Nicholas]. [George]'s son is [Jerry]. [Jerry] and his father always go fishing together on Sundays and have a great time together.
('George', 'Nicholas')
[George]'s son is [Jerry]. [Jerry] and his father always go fishing together on Sundays and have a great time together. [Jerry] was playing golf with his uncle [Nicholas].
[{('George', 'brother', 'Nicholas'): [('George', 'son', 'Jerry'), ('Jerry', 'uncle', 'Nicholas')]}]
['son', 'uncle']