[Harold] bought an expensive ring for his wife [Shantel]. [Robert] loved his mother, [Shantel]. [Dorothy], [Robert]'s sister, enjoys taking her daughter, [Rebecca], to the park.
('Harold', 'Rebecca')
[Harold] bought an expensive ring for his wife [Shantel]. [Robert] loved his mother, [Shantel]. [Dorothy], [Robert]'s sister, enjoys taking her daughter, [Rebecca], to the park.
[{('Harold', 'granddaughter', 'Rebecca'): [('Harold', 'wife', 'Shantel'), ('Shantel', 'granddaughter', 'Rebecca')]}, {('Shantel', 'granddaughter', 'Rebecca'): [('Shantel', 'daughter', 'Dorothy'), ('Dorothy', 'daughter', 'Rebecca')]}, {('Shantel', 'daughter', 'Dorothy'): [('Shantel', 'son', 'Robert'), ('Robert', 'sister', 'Dorothy')]}]
['wife', 'son', 'sister', 'daughter']