[George]'s wife [Lillian] is the very proud mother of a son named [John]. [Lillian] adores her son and husband.
('George', 'John')
[George]'s wife [Lillian] is the very proud mother of a son named [John]. [Lillian] adores her son and husband.
[{('George', 'son', 'John'): [('George', 'wife', 'Lillian'), ('Lillian', 'son', 'John')]}]
['wife', 'son']