[Nancy] has been waiting around all day for her son, [Kevin]. [Nancy] and her husband [Wayne] went on a trip to the Netherlands last year.
('Wayne', 'Kevin')
[Nancy] and her husband [Wayne] went on a trip to the Netherlands last year. [Nancy] has been waiting around all day for her son, [Kevin].
[{('Wayne', 'son', 'Kevin'): [('Wayne', 'wife', 'Nancy'), ('Nancy', 'son', 'Kevin')]}]
['wife', 'son']