[Dorothy] adores her daughter [Shantel]. [Shantel] loves her very much, too. [Dorothy] and her son [James] go with [Cheryl] to the baseball game. [Robert] and his mother [Shantel] went to the animal shelter to adopt a cat.
('Robert', 'Cheryl')
[Robert] and his mother [Shantel] went to the animal shelter to adopt a cat. [Dorothy] adores her daughter [Shantel]. [Shantel] loves her very much, too. [Dorothy] and her son [James] go with [Cheryl] to the baseball game.
[{('Robert', 'niece', 'Cheryl'): [('Robert', 'sister', 'Dorothy'), ('Dorothy', 'daughter', 'Cheryl')]}, {('Robert', 'sister', 'Dorothy'): [('Robert', 'mother', 'Shantel'), ('Shantel', 'daughter', 'Dorothy')]}, {('Dorothy', 'daughter', 'Cheryl'): [('Dorothy', 'son', 'James'), ('James', 'sister', 'Cheryl')]}]
['mother', 'daughter', 'son', 'sister']