[Ashley] bought a nice gift for her son [Dale]. She bought an even more expensive gift for her daughter [Nancy], however.
('Dale', 'Nancy')
[Ashley] bought a nice gift for her son [Dale]. She bought an even more expensive gift for her daughter [Nancy], however.
[{('Dale', 'sister', 'Nancy'): [('Dale', 'mother', 'Ashley'), ('Ashley', 'daughter', 'Nancy')]}]
['mother', 'daughter']