[Michael]'s sister [Cleo] did not want to go shopping but her grandmother [Mary] forced her to.
('Michael', 'Mary')
[Michael]'s sister [Cleo] did not want to go shopping but her grandmother [Mary] forced her to.
[{('Michael', 'grandmother', 'Mary'): [('Michael', 'sister', 'Cleo'), ('Cleo', 'grandmother', 'Mary')]}]