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