[Nicholas] was busy planning his nephew, [Jerry]'s, birthday party with his sister. [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. [Nicholas] was busy planning his nephew, [Jerry]'s, birthday party with his sister.
[{('George', 'brother', 'Nicholas'): [('George', 'son', 'Jerry'), ('Jerry', 'uncle', 'Nicholas')]}]
['son', 'uncle']