[Heidi] and her sister, [Lorraine] went to the mall to shop for a gift for [Lorraine]'s grandmother, [Ashley].
('Ashley', 'Heidi')
[Heidi] and her sister, [Lorraine] went to the mall to shop for a gift for [Lorraine]'s grandmother, [Ashley].
[{('Ashley', 'granddaughter', 'Heidi'): [('Ashley', 'granddaughter', 'Lorraine'), ('Lorraine', 'sister', 'Heidi')]}]
['granddaughter', 'sister']