[Tony] and his brother [Travis] are fighting again. [Theresa] took her son [Travis] to the mall to shop for school clothes.
('Theresa', 'Tony')
[Theresa] took her son [Travis] to the mall to shop for school clothes. [Tony] and his brother [Travis] are fighting again.
[{('Theresa', 'son', 'Tony'): [('Theresa', 'son', 'Travis'), ('Travis', 'brother', 'Tony')]}]
['son', 'brother']