[Amy] does n't like her brother [Wayne]. [Theresa] is taking a trip to see her sister [Amy].
('Theresa', 'Wayne')
[Theresa] is taking a trip to see her sister [Amy]. [Amy] does n't like her brother [Wayne].
[{('Theresa', 'brother', 'Wayne'): [('Theresa', 'sister', 'Amy'), ('Amy', 'brother', 'Wayne')]}]
['sister', 'brother']