[Tracy] was so busy trying to watch her son [Aaron] while she spoke on the phone with her daughter [Erika] at the same time. [Kevin] made dinner reservations for his sister [Erika]. [Shantel] kept her grandson [Aaron] last weekend so his parents could go to a concert.
('Kevin', 'Shantel')
[Kevin] made dinner reservations for his sister [Erika]. [Tracy] was so busy trying to watch her son [Aaron] while she spoke on the phone with her daughter [Erika] at the same time. [Shantel] kept her grandson [Aaron] last weekend so his parents could go to a concert.
[{('Kevin', 'grandmother', 'Shantel'): [('Kevin', 'brother', 'Aaron'), ('Aaron', 'grandmother', 'Shantel')]}, {('Kevin', 'brother', 'Aaron'): [('Kevin', 'sister', 'Erika'), ('Erika', 'brother', 'Aaron')]}, {('Erika', 'brother', 'Aaron'): [('Erika', 'mother', 'Tracy'), ('Tracy', 'son', 'Aaron')]}]
['sister', 'mother', 'son', 'grandmother']