[Amy] and her husband, [Nicholas], were cooking meatloaf. [Milton], [Nicholas]'s son, was hungry, and asked them when it would be done.
('Amy', 'Milton')
[Amy] and her husband, [Nicholas], were cooking meatloaf. [Milton], [Nicholas]'s son, was hungry, and asked them when it would be done.
[{('Amy', 'son', 'Milton'): [('Amy', 'husband', 'Nicholas'), ('Nicholas', 'son', 'Milton')]}]
['husband', 'son']