[Theresa] took her son [Tony] to the football game. [Nicholas] bought ice cream for [Tony]'s birthday.
('Theresa', 'Nicholas')
[Theresa] took her son [Tony] to the football game. [Nicholas] bought ice cream for [Tony]'s birthday.
[{('Theresa', 'brother', 'Nicholas'): [('Theresa', 'son', 'Tony'), ('Tony', 'uncle', 'Nicholas')]}]
['son', 'uncle']