[Belva] did n't like her grandfather, [Clarence], because he was mean to her. [Belva]'s sister [Charlotte] thought he was nice.
('Charlotte', 'Clarence')
[Belva] did n't like her grandfather, [Clarence], because he was mean to her. [Belva]'s sister [Charlotte] thought he was nice.
[{('Charlotte', 'grandfather', 'Clarence'): [('Charlotte', 'sister', 'Belva'), ('Belva', 'grandfather', 'Clarence')]}]
['sister', 'grandfather']