[Michael] could n't wait to introduce his new son to his uncle, [Wayne]. [Nicholas] does not know he has a son named [Michael].
('Nicholas', 'Wayne')
[Nicholas] does not know he has a son named [Michael]. [Michael] could n't wait to introduce his new son to his uncle, [Wayne].
[{('Nicholas', 'brother', 'Wayne'): [('Nicholas', 'son', 'Michael'), ('Michael', 'uncle', 'Wayne')]}]
['son', 'uncle']