[Nicolas] bought his wife [Charlotte] roses. [Dale]'s son is [Nicolas]. [Nicolas] and his father always go fishing together on Sundays and have a great time together.
('Dale', 'Charlotte')
[Dale]'s son is [Nicolas]. [Nicolas] and his father always go fishing together on Sundays and have a great time together. [Nicolas] bought his wife [Charlotte] roses.
[{('Dale', 'daughter-in-law', 'Charlotte'): [('Dale', 'son', 'Nicolas'), ('Nicolas', 'wife', 'Charlotte')]}]
['son', 'wife']