[Clarence] was going to meet his wife, [Ashley], for lunch. [Ashley]'s son, [Nicholas], went with her to the store to buy candy for Halloween.
('Clarence', 'Nicholas')
[Clarence] was going to meet his wife, [Ashley], for lunch. [Ashley]'s son, [Nicholas], went with her to the store to buy candy for Halloween.
[{('Clarence', 'son', 'Nicholas'): [('Clarence', 'wife', 'Ashley'), ('Ashley', 'son', 'Nicholas')]}]
['wife', 'son']