[Nicholas] liked playing with his brother [Wayne] more than anyone else. This made [Lillian] jealous of her brother [Wayne].
('Lillian', 'Nicholas')
[Nicholas] liked playing with his brother [Wayne] more than anyone else. This made [Lillian] jealous of her brother [Wayne].
[{('Lillian', 'brother', 'Nicholas'): [('Lillian', 'brother', 'Wayne'), ('Wayne', 'brother', 'Nicholas')]}]
['brother', 'brother']