[Amy] and her husband [Nicholas] went to a resort for the weekend, and had a wonderful time. [Nicholas] went to the baseball game with his son [Glen]
('Amy', 'Glen')
[Amy] and her husband [Nicholas] went to a resort for the weekend, and had a wonderful time. [Nicholas] went to the baseball game with his son [Glen]
[{('Amy', 'son', 'Glen'): [('Amy', 'husband', 'Nicholas'), ('Nicholas', 'son', 'Glen')]}]
['husband', 'son']