[Jennifer] and her brother [Dennis] went to visit [Ashley]'s grandmother, [Jennifer].
('Dennis', 'Ashley')
[Jennifer] and her brother [Dennis] went to visit [Ashley]'s grandmother, [Jennifer].
[{('Dennis', 'grandmother', 'Ashley'): [('Dennis', 'sister', 'Jennifer'), ('Jennifer', 'grandmother', 'Ashley')]}]
['sister', 'grandmother']