[Jacob] took his son [David] for boxing lessons. He felt the boy needed to toughen up. [David] and his sister [Cleo] got their mother [Cleo] a new computer for her birthday. She really liked it.
('Jacob', 'Cleo')
[Jacob] took his son [David] for boxing lessons. He felt the boy needed to toughen up. [David] and his sister [Cleo] got their mother [Cleo] a new computer for her birthday. She really liked it.
[{('Jacob', 'daughter', 'Cleo'): [('Jacob', 'son', 'David'), ('David', 'sister', 'Cleo')]}]