[Jeff]'s mother [Nancy] told [Nancy] that her mother [Ashley] is sick in the hospital.
('Jeff', 'Ashley')
[Jeff]'s mother [Nancy] told [Nancy] that her mother [Ashley] is sick in the hospital.
[{('Jeff', 'grandmother', 'Ashley'): [('Jeff', 'mother', 'Nancy'), ('Nancy', 'mother', 'Ashley')]}]
['mother', 'mother']