[Ashley] bought a nice gift for her daughter [Amy]. [Amy] bought an even more expensive gift for her own daughter [Mary].
('Ashley', 'Mary')
[Ashley] bought a nice gift for her daughter [Amy]. [Amy] bought an even more expensive gift for her own daughter [Mary].
[{('Ashley', 'granddaughter', 'Mary'): [('Ashley', 'daughter', 'Amy'), ('Amy', 'daughter', 'Mary')]}]
['daughter', 'daughter']