[Clarence] and his wife, [Ashley], went to the elementary school. [Glen], [Ashley]'s grandson, was waiting there to be picked up.
('Clarence', 'Glen')
[Clarence] and his wife, [Ashley], went to the elementary school. [Glen], [Ashley]'s grandson, was waiting there to be picked up.
[{('Clarence', 'grandson', 'Glen'): [('Clarence', 'wife', 'Ashley'), ('Ashley', 'grandson', 'Glen')]}]
['wife', 'grandson']