[Ashley] wanted her daughter, [Amy], to go shopping with her. [Amy] invited her sister, [Nancy].
('Ashley', 'Nancy')
[Ashley] wanted her daughter, [Amy], to go shopping with her. [Amy] invited her sister, [Nancy].
[{('Ashley', 'daughter', 'Nancy'): [('Ashley', 'daughter', 'Amy'), ('Amy', 'sister', 'Nancy')]}]
['daughter', 'sister']