[Dale]'s brother, [Nicholas], brought the car over to help him. [Dale] is [George]'s Brother.
('George', 'Nicholas')
[Dale] is [George]'s Brother. [Dale]'s brother, [Nicholas], brought the car over to help him.
[{('George', 'brother', 'Nicholas'): [('George', 'brother', 'Dale'), ('Dale', 'brother', 'Nicholas')]}]
['brother', 'brother']