[Travis] went to visit his sister [Rosetta] to the hospital last week. [Rosetta] asked her grandfather [Clarence] how old he was. [Clarence] smiled, and told her he was only eighty-five.
('Travis', 'Clarence')
[Travis] went to visit his sister [Rosetta] to the hospital last week. [Rosetta] asked her grandfather [Clarence] how old he was. [Clarence] smiled, and told her he was only eighty-five.
[{('Travis', 'grandfather', 'Clarence'): [('Travis', 'sister', 'Rosetta'), ('Rosetta', 'grandfather', 'Clarence')]}]
['sister', 'grandfather']