[Lillian] asked her brother, [Dale], what he was doing this weekend. [Dale] told her he was spending it with his brother [Wayne].
('Lillian', 'Wayne')
[Lillian] asked her brother, [Dale], what he was doing this weekend. [Dale] told her he was spending it with his brother [Wayne].
[{('Lillian', 'brother', 'Wayne'): [('Lillian', 'brother', 'Dale'), ('Dale', 'brother', 'Wayne')]}]
['brother', 'brother']