[Nancy] bought a new video game for her son [Jacob]. [Theresa]'s sister, [Nancy], recently started acting.
('Jacob', 'Theresa')
[Nancy] bought a new video game for her son [Jacob]. [Theresa]'s sister, [Nancy], recently started acting.
[{('Jacob', 'aunt', 'Theresa'): [('Jacob', 'mother', 'Nancy'), ('Nancy', 'sister', 'Theresa')]}]
['mother', 'sister']