[George] ran over to see his uncle [Robert]. [Nancy]'s biggest accomplishment is raising her son [Robert].
('Nancy', 'George')
[Nancy]'s biggest accomplishment is raising her son [Robert]. [George] ran over to see his uncle [Robert].
[{('Nancy', 'brother', 'George'): [('Nancy', 'son', 'Robert'), ('Robert', 'uncle', 'George')]}]
['son', 'uncle']