[Theresa] borrowed some money from her brother [Wayne]. [George] liked to play games with his sister, [Theresa].
('George', 'Wayne')
[George] liked to play games with his sister, [Theresa]. [Theresa] borrowed some money from her brother [Wayne].
[{('George', 'brother', 'Wayne'): [('George', 'sister', 'Theresa'), ('Theresa', 'brother', 'Wayne')]}]
['sister', 'brother']