[Louise] went to the theme park with her mother [Nancy] and grandfather [Clarence].
('Nancy', 'Clarence')
[Louise] went to the theme park with her mother [Nancy] and grandfather [Clarence].
[{('Nancy', 'father', 'Clarence'): [('Nancy', 'daughter', 'Louise'), ('Louise', 'grandfather', 'Clarence')]}]
['daughter', 'grandfather']