[Brent] took his sister [Ann] to the movies with him to see the new Star Wars film. [Ann] loves to spend time with her grandfather, [Roy]. He tells great stories.
('Brent', 'Roy')
[Brent] took his sister [Ann] to the movies with him to see the new Star Wars film. [Ann] loves to spend time with her grandfather, [Roy]. He tells great stories.
[{('Brent', 'grandfather', 'Roy'): [('Brent', 'sister', 'Ann'), ('Ann', 'grandfather', 'Roy')]}]