[June] stayed with his grandmother [Ashley] last summer on her farm. He had a great time. [June] and her sister [Charlotte] braided each other's hair before school.
('Charlotte', 'Ashley')
[June] and her sister [Charlotte] braided each other's hair before school. [June] stayed with his grandmother [Ashley] last summer on her farm. He had a great time.
[{('Charlotte', 'grandmother', 'Ashley'): [('Charlotte', 'sister', 'June'), ('June', 'grandmother', 'Ashley')]}]
['sister', 'grandmother']