[Nicholas] and his sister [Lillian] stood in line at the fair. [Nicholas]'s son is [Milton]. [Milton] and his father always go fishing together on Sundays and have a great time together.
('Lillian', 'Milton')
[Nicholas] and his sister [Lillian] stood in line at the fair. [Nicholas]'s son is [Milton]. [Milton] and his father always go fishing together on Sundays and have a great time together.
[{('Lillian', 'nephew', 'Milton'): [('Lillian', 'brother', 'Nicholas'), ('Nicholas', 'son', 'Milton')]}]
['brother', 'son']