[Theresa] and her brother [Nicholas] were having a wonderful time at Disneyland. [Nicholas] and his brother [Wayne] played at jacks.
('Theresa', 'Wayne')
[Theresa] and her brother [Nicholas] were having a wonderful time at Disneyland. [Nicholas] and his brother [Wayne] played at jacks.
[{('Theresa', 'brother', 'Wayne'): [('Theresa', 'brother', 'Nicholas'), ('Nicholas', 'brother', 'Wayne')]}]
['brother', 'brother']