[John] and his sister [Lizzie] stood in line at the fair. [Shantel] took her grandson, [Ronald], to the zoo. [Ronald]'s sister, [Lizzie], had to stay home because she was sick. [Harold] has been married for over 10 years now. He has a lovely wife named [Shantel].
('Harold', 'John')
[Harold] has been married for over 10 years now. He has a lovely wife named [Shantel]. [Shantel] took her grandson, [Ronald], to the zoo. [Ronald]'s sister, [Lizzie], had to stay home because she was sick. [John] and his sister [Lizzie] stood in line at the fair.
[{('Harold', 'grandson', 'John'): [('Harold', 'wife', 'Shantel'), ('Shantel', 'grandson', 'John')]}, {('Shantel', 'grandson', 'John'): [('Shantel', 'grandson', 'Ronald'), ('Ronald', 'brother', 'John')]}, {('Ronald', 'brother', 'John'): [('Ronald', 'sister', 'Lizzie'), ('Lizzie', 'brother', 'John')]}]
['wife', 'grandson', 'sister', 'brother']