[Nicholas] and his father [Clarence] went jogging by the lake. [Clarence] threw an anniversary party for his wife, [Ashley].
('Ashley', 'Nicholas')
[Clarence] threw an anniversary party for his wife, [Ashley]. [Nicholas] and his father [Clarence] went jogging by the lake.
[{('Ashley', 'son', 'Nicholas'): [('Ashley', 'husband', 'Clarence'), ('Clarence', 'son', 'Nicholas')]}]
['husband', 'son']