[Dale]'s son is [Travis]. [Travis] and his father always go fishing together on Sundays and have a great time together. [Nancy] took her nephew [Travis] to see a movie last Saturday. They had a good time.
('Dale', 'Nancy')
[Dale]'s son is [Travis]. [Travis] and his father always go fishing together on Sundays and have a great time together. [Nancy] took her nephew [Travis] to see a movie last Saturday. They had a good time.
[{('Dale', 'sister', 'Nancy'): [('Dale', 'son', 'Travis'), ('Travis', 'aunt', 'Nancy')]}]
['son', 'aunt']