[Roy] is helping his son study. His name is [Jacob]. [Jacob] took his son [Carl] for boxing lessons. He felt the boy needed to toughen up.
('Roy', 'Carl')
[Roy] is helping his son study. His name is [Jacob]. [Jacob] took his son [Carl] for boxing lessons. He felt the boy needed to toughen up.
[{('Roy', 'grandson', 'Carl'): [('Roy', 'son', 'Jacob'), ('Jacob', 'son', 'Carl')]}]