[Rosetta] and her sister [June] braided each other's hair before school. [Rosetta] was talking about food with her sister [Belva].
('June', 'Belva')
[Rosetta] and her sister [June] braided each other's hair before school. [Rosetta] was talking about food with her sister [Belva].
[{('June', 'sister', 'Belva'): [('June', 'sister', 'Rosetta'), ('Rosetta', 'sister', 'Belva')]}]
['sister', 'sister']