[Dale] took his mother [Ashley] and his daughter [Rosetta] to the movies Saturday.
('Ashley', 'Rosetta')
[Dale] took his mother [Ashley] and his daughter [Rosetta] to the movies Saturday.
[{('Ashley', 'granddaughter', 'Rosetta'): [('Ashley', 'son', 'Dale'), ('Dale', 'daughter', 'Rosetta')]}]
['son', 'daughter']