[Charlotte] and her sister [Belva] are excited for [Belva]'s grandfather [Clarence] to make dinner for them.
('Charlotte', 'Clarence')
[Charlotte] and her sister [Belva] are excited for [Belva]'s grandfather [Clarence] to make dinner for them.
[{('Charlotte', 'grandfather', 'Clarence'): [('Charlotte', 'sister', 'Belva'), ('Belva', 'grandfather', 'Clarence')]}]
['sister', 'grandfather']