[Lillian] is [John]'s mother. She takes very good care of him. [Lillian] called her mother [Ashley] to let her know she will be back home soon.
('John', 'Ashley')
[Lillian] is [John]'s mother. She takes very good care of him. [Lillian] called her mother [Ashley] to let her know she will be back home soon.
[{('John', 'grandmother', 'Ashley'): [('John', 'mother', 'Lillian'), ('Lillian', 'mother', 'Ashley')]}]
['mother', 'mother']