[Theresa]'s son [James] missed seeing his mother on the weekends. [James]'s brother, [Travis], recently got elected as a senator.
('Travis', 'Theresa')
[James]'s brother, [Travis], recently got elected as a senator. [Theresa]'s son [James] missed seeing his mother on the weekends.
[{('Travis', 'mother', 'Theresa'): [('Travis', 'brother', 'James'), ('James', 'mother', 'Theresa')]}]
['brother', 'mother']