[Jacob] is a sibling of [John]. [John] took his son [Adan] for boxing lessons. He felt the boy needed to toughen up.
('Jacob', 'Adan')
[Jacob] is a sibling of [John]. [John] took his son [Adan] for boxing lessons. He felt the boy needed to toughen up.
[{('Jacob', 'nephew', 'Adan'): [('Jacob', 'brother', 'John'), ('John', 'son', 'Adan')]}]