[Nicolas] was playing golf with his uncle [George]. [Theresa] visited her son [Nicolas] at college.
('Theresa', 'George')
[Theresa] visited her son [Nicolas] at college. [Nicolas] was playing golf with his uncle [George].
[{('Theresa', 'brother', 'George'): [('Theresa', 'son', 'Nicolas'), ('Nicolas', 'uncle', 'George')]}]
['son', 'uncle']