[Mary] borrowed her son [Ernest]'s phone. [Ernest]'s daughter [Geraldine] was not surprised about it.
('Mary', 'Geraldine')
[Mary] borrowed her son [Ernest]'s phone. [Ernest]'s daughter [Geraldine] was not surprised about it.
[{('Mary', 'granddaughter', 'Geraldine'): [('Mary', 'son', 'Ernest'), ('Ernest', 'daughter', 'Geraldine')]}]