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