[Charlotte]'s mother, [Theresa], had finished making dinner. [Theresa] told [Charlotte] to call [Charlotte]'s sister, [Rosetta], to come set the table.
('Rosetta', 'Theresa')
[Charlotte]'s mother, [Theresa], had finished making dinner. [Theresa] told [Charlotte] to call [Charlotte]'s sister, [Rosetta], to come set the table.
[{('Rosetta', 'mother', 'Theresa'): [('Rosetta', 'sister', 'Charlotte'), ('Charlotte', 'mother', 'Theresa')]}]
['sister', 'mother']