[Belva] needed to go to the store. [Belva] asked her sister [Rosetta] for a ride. [Belva] took her grandfather [Clarence] out to eat last Sunday after church. They had ice cream for dessert.
('Rosetta', 'Clarence')
[Belva] needed to go to the store. [Belva] asked her sister [Rosetta] for a ride. [Belva] took her grandfather [Clarence] out to eat last Sunday after church. They had ice cream for dessert.
[{('Rosetta', 'grandfather', 'Clarence'): [('Rosetta', 'sister', 'Belva'), ('Belva', 'grandfather', 'Clarence')]}]
['sister', 'grandfather']