[Nicholas] took his nephew [Travis] to a new amusement park that had just opened last weekend. [Theresa] drove her son [Travis] to his soccer game.
('Theresa', 'Nicholas')
[Theresa] drove her son [Travis] to his soccer game. [Nicholas] took his nephew [Travis] to a new amusement park that had just opened last weekend.
[{('Theresa', 'brother', 'Nicholas'): [('Theresa', 'son', 'Travis'), ('Travis', 'uncle', 'Nicholas')]}]
['son', 'uncle']