[Ashley] went to the park with her husband [Clarence] and her granddaughter [Mary].
('Clarence', 'Mary')
[Ashley] went to the park with her husband [Clarence] and her granddaughter [Mary].
[{('Clarence', 'granddaughter', 'Mary'): [('Clarence', 'wife', 'Ashley'), ('Ashley', 'granddaughter', 'Mary')]}]
['wife', 'granddaughter']