[Nicholas] and his brother [Wayne] wanted to backpack across Europe together once they graduated college. [Wayne] went to the store with his brother, [George].
('Nicholas', 'George')
[Nicholas] and his brother [Wayne] wanted to backpack across Europe together once they graduated college. [Wayne] went to the store with his brother, [George].
[{('Nicholas', 'brother', 'George'): [('Nicholas', 'brother', 'Wayne'), ('Wayne', 'brother', 'George')]}]
['brother', 'brother']