[Dale] decided to take his son, [Tony], on a ski vacation. [Tony] and his brother [Travis] wanted to backpack across Europe together once they graduated college.
('Dale', 'Travis')
[Dale] decided to take his son, [Tony], on a ski vacation. [Tony] and his brother [Travis] wanted to backpack across Europe together once they graduated college.
[{('Dale', 'son', 'Travis'): [('Dale', 'son', 'Tony'), ('Tony', 'brother', 'Travis')]}]
['son', 'brother']