[Lorraine] asked her grandmother [Ashley] to help her tie her shoes. [Ashley] told her she was old enough to do it on her own. [Kevin] and his sister [Lorraine] went to the park.
('Kevin', 'Ashley')
[Kevin] and his sister [Lorraine] went to the park. [Lorraine] asked her grandmother [Ashley] to help her tie her shoes. [Ashley] told her she was old enough to do it on her own.
[{('Kevin', 'grandmother', 'Ashley'): [('Kevin', 'sister', 'Lorraine'), ('Lorraine', 'grandmother', 'Ashley')]}]
['sister', 'grandmother']