[Amy] visited her mother [Ashley] and introduced her newborn daughter [Mary] to her.
('Mary', 'Ashley')
[Amy] visited her mother [Ashley] and introduced her newborn daughter [Mary] to her.
[{('Mary', 'grandmother', 'Ashley'): [('Mary', 'mother', 'Amy'), ('Amy', 'mother', 'Ashley')]}]
['mother', 'mother']