[Clarence] gave his wife [Ashley] flowers for her birthday. [Ashley]'s grandson [Tony] surprised her with a party.
('Clarence', 'Tony')
[Clarence] gave his wife [Ashley] flowers for her birthday. [Ashley]'s grandson [Tony] surprised her with a party.
[{('Clarence', 'grandson', 'Tony'): [('Clarence', 'wife', 'Ashley'), ('Ashley', 'grandson', 'Tony')]}]
['wife', 'grandson']