[George]'s son is [John]. [John] and his father always go fishing together on Sundays and have a great time together. [John] was the nephew of a man named [Dale].
('George', 'Dale')
[George]'s son is [John]. [John] and his father always go fishing together on Sundays and have a great time together. [John] was the nephew of a man named [Dale].
[{('George', 'brother', 'Dale'): [('George', 'son', 'John'), ('John', 'uncle', 'Dale')]}]
['son', 'uncle']