[Clarence] built a playhouse for his daughter [Amy], which was painted by his wife [Ashley].
('Ashley', 'Amy')
[Clarence] built a playhouse for his daughter [Amy], which was painted by his wife [Ashley].
[{('Ashley', 'daughter', 'Amy'): [('Ashley', 'husband', 'Clarence'), ('Clarence', 'daughter', 'Amy')]}]
['husband', 'daughter']