[Glen] asked his grandmother [Ashley] for milk. [Ashley]'s husband [Clarence] went to the store for milk.
('Clarence', 'Glen')
[Glen] asked his grandmother [Ashley] for milk. [Ashley]'s husband [Clarence] went to the store for milk.
[{('Clarence', 'grandson', 'Glen'): [('Clarence', 'wife', 'Ashley'), ('Ashley', 'grandson', 'Glen')]}]
['wife', 'grandson']