[Constance] and her sister [Stephanie] braided each other's hair before school. [Stephanie] is very proud of her son. His name is [Carl].
('Carl', 'Constance')
[Stephanie] is very proud of her son. His name is [Carl]. [Constance] and her sister [Stephanie] braided each other's hair before school.
[{('Carl', 'aunt', 'Constance'): [('Carl', 'mother', 'Stephanie'), ('Stephanie', 'sister', 'Constance')]}]