[Andrea]'s sister, [April], was able to find tickets to the concert. [Andrea] was too busy to go so she gave her ticket to her grandmother, [Ashley].
('Ashley', 'April')
[Andrea]'s sister, [April], was able to find tickets to the concert. [Andrea] was too busy to go so she gave her ticket to her grandmother, [Ashley].
[{('Ashley', 'granddaughter', 'April'): [('Ashley', 'granddaughter', 'Andrea'), ('Andrea', 'sister', 'April')]}]
['granddaughter', 'sister']