[Wayne] and his son [Robert] were arguing about politics. [Wayne]'s wife, [Nancy], overhead, came in, and told the two of them to settle down.
('Nancy', 'Robert')
[Wayne] and his son [Robert] were arguing about politics. [Wayne]'s wife, [Nancy], overhead, came in, and told the two of them to settle down.
[{('Nancy', 'son', 'Robert'): [('Nancy', 'husband', 'Wayne'), ('Wayne', 'son', 'Robert')]}]
['husband', 'son']