[Amy]'s son, [Michael], went away for the weekend. He was going to spend it at his grandmother [Ashley]'s house.
('Amy', 'Ashley')
[Amy]'s son, [Michael], went away for the weekend. He was going to spend it at his grandmother [Ashley]'s house.
[{('Amy', 'mother', 'Ashley'): [('Amy', 'son', 'Michael'), ('Michael', 'grandmother', 'Ashley')]}]
['son', 'grandmother']