[Lillian] and her mother [Ashley] went to pick up [Lillian]'s son [John] from school because he had ball practice that day and needed a ride.
('John', 'Ashley')
[Lillian] and her mother [Ashley] went to pick up [Lillian]'s son [John] from school because he had ball practice that day and needed a ride.
[{('John', 'grandmother', 'Ashley'): [('John', 'mother', 'Lillian'), ('Lillian', 'mother', 'Ashley')]}]
['mother', 'mother']