[Tracy] and her son [Kevin] went to the store, while [Tracy]'s daughter [Emma] stayed home. [Shantel] made a cake for her granddaughter [Erika]. [Erika]'s brother [Kevin] ate cookies instead.
('Emma', 'Shantel')
[Tracy] and her son [Kevin] went to the store, while [Tracy]'s daughter [Emma] stayed home. [Shantel] made a cake for her granddaughter [Erika]. [Erika]'s brother [Kevin] ate cookies instead.
[{('Emma', 'grandmother', 'Shantel'): [('Emma', 'sister', 'Erika'), ('Erika', 'grandmother', 'Shantel')]}, {('Emma', 'sister', 'Erika'): [('Emma', 'mother', 'Tracy'), ('Tracy', 'daughter', 'Erika')]}, {('Tracy', 'daughter', 'Erika'): [('Tracy', 'son', 'Kevin'), ('Kevin', 'sister', 'Erika')]}]
['mother', 'son', 'sister', 'grandmother']