[Clarence] took his wife, [Ashley], out to see a play. [Ashley]'s daughter, [Nancy], stayed home to do homework.
('Clarence', 'Nancy')
[Clarence] took his wife, [Ashley], out to see a play. [Ashley]'s daughter, [Nancy], stayed home to do homework.
[{('Clarence', 'daughter', 'Nancy'): [('Clarence', 'wife', 'Ashley'), ('Ashley', 'daughter', 'Nancy')]}]
['wife', 'daughter']