[Clarence] and his wife [Ashley] went to feed the ducks, [John], [Ashley]'s grandson, took a walk with them.
('Clarence', 'John')
[Clarence] and his wife [Ashley] went to feed the ducks, [John], [Ashley]'s grandson, took a walk with them.
[{('Clarence', 'grandson', 'John'): [('Clarence', 'wife', 'Ashley'), ('Ashley', 'grandson', 'John')]}]
['wife', 'grandson']