[Tracy] visited her mother [Shantel] and introduced her newborn daughter [Erika] to her. [Kevin]'s mother, [Tracy], was too busy to play with him. She was helping her daughter, [Erika], with her homework.
('Kevin', 'Shantel')
[Kevin]'s mother, [Tracy], was too busy to play with him. She was helping her daughter, [Erika], with her homework. [Tracy] visited her mother [Shantel] and introduced her newborn daughter [Erika] to her.
[{('Kevin', 'grandmother', 'Shantel'): [('Kevin', 'sister', 'Erika'), ('Erika', 'grandmother', 'Shantel')]}, {('Erika', 'grandmother', 'Shantel'): [('Erika', 'mother', 'Tracy'), ('Tracy', 'mother', 'Shantel')]}, {('Kevin', 'sister', 'Erika'): [('Kevin', 'mother', 'Tracy'), ('Tracy', 'daughter', 'Erika')]}]
['mother', 'daughter', 'mother', 'mother']