[Ashley] was playing with her grandson [Dennis] when his mother [Amy] stopped by to visit.
('Amy', 'Ashley')
[Ashley] was playing with her grandson [Dennis] when his mother [Amy] stopped by to visit.
[{('Amy', 'mother', 'Ashley'): [('Amy', 'son', 'Dennis'), ('Dennis', 'grandmother', 'Ashley')]}]
['son', 'grandmother']