[Nicholas] took his son [Michael] for boxing lessons. He felt the boy needed to toughen up. [Wayne] and his brother [Nicholas] went to the football game together.
('Wayne', 'Michael')
[Wayne] and his brother [Nicholas] went to the football game together. [Nicholas] took his son [Michael] for boxing lessons. He felt the boy needed to toughen up.
[{('Wayne', 'nephew', 'Michael'): [('Wayne', 'brother', 'Nicholas'), ('Nicholas', 'son', 'Michael')]}]
['brother', 'son']