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