[Clarence] dropped his grandson [Douglas] off at the school. Then he picked up coffee for himself and his wife [Ashley].
('Ashley', 'Douglas')
[Clarence] dropped his grandson [Douglas] off at the school. Then he picked up coffee for himself and his wife [Ashley].
[{('Ashley', 'grandson', 'Douglas'): [('Ashley', 'husband', 'Clarence'), ('Clarence', 'grandson', 'Douglas')]}]
['husband', 'grandson']