[Lynn] and her husband [Joshua] just celebrated 10 years of marriage. [Lynn] took her son [Clarence] to the animal shelter to adopt a cat. [Clarence]'s grandmother, [Frances], was invited but could not make it because she had the flu.
('Joshua', 'Frances')
[Lynn] and her husband [Joshua] just celebrated 10 years of marriage. [Lynn] took her son [Clarence] to the animal shelter to adopt a cat. [Clarence]'s grandmother, [Frances], was invited but could not make it because she had the flu.
[{('Joshua', 'mother', 'Frances'): [('Joshua', 'son', 'Clarence'), ('Clarence', 'grandmother', 'Frances')]}, {('Joshua', 'son', 'Clarence'): [('Joshua', 'wife', 'Lynn'), ('Lynn', 'son', 'Clarence')]}]
['wife', 'son', 'grandmother']