[Ashley] is going dancing at a club with her husband [Clarence]. On his way there, [Clarence] stops at his son [Nicholas]'s house for a quick visit.
('Ashley', 'Nicholas')
[Ashley] is going dancing at a club with her husband [Clarence]. On his way there, [Clarence] stops at his son [Nicholas]'s house for a quick visit.
[{('Ashley', 'son', 'Nicholas'): [('Ashley', 'husband', 'Clarence'), ('Clarence', 'son', 'Nicholas')]}]
['husband', 'son']