[Nicholas]'s son, [Dennis], had been misbehaving, so [Nicholas] had to spank him. [Nicholas] and his wife, [Amy], went out to the movies for a date.
('Amy', 'Dennis')
[Nicholas] and his wife, [Amy], went out to the movies for a date. [Nicholas]'s son, [Dennis], had been misbehaving, so [Nicholas] had to spank him.
[{('Amy', 'son', 'Dennis'): [('Amy', 'husband', 'Nicholas'), ('Nicholas', 'son', 'Dennis')]}]
['husband', 'son']