[Pamela], [Frances]'s granddaughter, had gotten into a fight with her sister, [Tina]. [Tina] and her sister [Mildred] played golf together. [Tina] won easily.
('Mildred', 'Frances')
[Tina] and her sister [Mildred] played golf together. [Tina] won easily. [Pamela], [Frances]'s granddaughter, had gotten into a fight with her sister, [Tina].
[{('Mildred', 'grandmother', 'Frances'): [('Mildred', 'sister', 'Pamela'), ('Pamela', 'grandmother', 'Frances')]}, {('Mildred', 'sister', 'Pamela'): [('Mildred', 'sister', 'Tina'), ('Tina', 'sister', 'Pamela')]}]
['sister', 'sister', 'grandmother']