[Ashley] and her husband [Clarence] took her son [Nicholas] to the store to pick out some sweets after dinner.
('Clarence', 'Nicholas')
[Ashley] and her husband [Clarence] took her son [Nicholas] to the store to pick out some sweets after dinner.
[{('Clarence', 'son', 'Nicholas'): [('Clarence', 'wife', 'Ashley'), ('Ashley', 'son', 'Nicholas')]}]
['wife', 'son']