[Dale] had always been close to his brother [Wayne]. On the other hand, [Dale] and his brother [George] had n't spoken in years.
('Wayne', 'George')
[Dale] had always been close to his brother [Wayne]. On the other hand, [Dale] and his brother [George] had n't spoken in years.
[{('Wayne', 'brother', 'George'): [('Wayne', 'brother', 'Dale'), ('Dale', 'brother', 'George')]}]
['brother', 'brother']