[Theresa] asked her mother [Ashley] if she could help her with college homework. [Ashley] was busy so she asked [Theresa] to ask her sister [Nancy] instead.
('Nancy', 'Ashley')
[Theresa] asked her mother [Ashley] if she could help her with college homework. [Ashley] was busy so she asked [Theresa] to ask her sister [Nancy] instead.
[{('Nancy', 'mother', 'Ashley'): [('Nancy', 'sister', 'Theresa'), ('Theresa', 'mother', 'Ashley')]}]
['sister', 'mother']