[Clarence]'s wife, [Ashley], had to leave him alone over the weekend. She wanted to go visit her granddaughter [Mary] at college, and she knew he would n't be able to make the trip.
('Clarence', 'Mary')
[Clarence]'s wife, [Ashley], had to leave him alone over the weekend. She wanted to go visit her granddaughter [Mary] at college, and she knew he would n't be able to make the trip.
[{('Clarence', 'granddaughter', 'Mary'): [('Clarence', 'wife', 'Ashley'), ('Ashley', 'granddaughter', 'Mary')]}]
['wife', 'granddaughter']