[Clarence]'s wife [Ashley] is planning a surprise birthday party for him. [Clarence] bought his grandson [Tony] a toy train.
('Ashley', 'Tony')
[Clarence]'s wife [Ashley] is planning a surprise birthday party for him. [Clarence] bought his grandson [Tony] a toy train.
[{('Ashley', 'grandson', 'Tony'): [('Ashley', 'husband', 'Clarence'), ('Clarence', 'grandson', 'Tony')]}]
['husband', 'grandson']