[Amy] loves her brother [Wayne]. [Amy] is n't too fond of her brother [Dale] though.
('Dale', 'Wayne')
[Amy] loves her brother [Wayne]. [Amy] is n't too fond of her brother [Dale] though.
[{('Dale', 'brother', 'Wayne'): [('Dale', 'sister', 'Amy'), ('Amy', 'brother', 'Wayne')]}]
['sister', 'brother']