[Dale] is the great brother of [George]. [Wayne] took his brother [Dale] to get lunch at a local diner.
('George', 'Wayne')
[Dale] is the great brother of [George]. [Wayne] took his brother [Dale] to get lunch at a local diner.
[{('George', 'brother', 'Wayne'): [('George', 'brother', 'Dale'), ('Dale', 'brother', 'Wayne')]}]
['brother', 'brother']