[April] went to visit her grandmother, [Ashley]. [April]'s sister [Andrea], did n't go with her.
('Ashley', 'Andrea')
[April] went to visit her grandmother, [Ashley]. [April]'s sister [Andrea], did n't go with her.
[{('Ashley', 'granddaughter', 'Andrea'): [('Ashley', 'granddaughter', 'April'), ('April', 'sister', 'Andrea')]}]
['granddaughter', 'sister']