[Ashley] made a cake for her granddaughter [Mary]. [Mary]'s brother [Michael] ate cookies instead.
('Michael', 'Ashley')
[Ashley] made a cake for her granddaughter [Mary]. [Mary]'s brother [Michael] ate cookies instead.
[{('Michael', 'grandmother', 'Ashley'): [('Michael', 'sister', 'Mary'), ('Mary', 'grandmother', 'Ashley')]}]
['sister', 'grandmother']