[Dale] was busy planning a camping trip with his daughter [Belva]. [Dale] took his son [Nicolas] for boxing lessons. He felt the boy needed to toughen up.
('Belva', 'Nicolas')
[Dale] was busy planning a camping trip with his daughter [Belva]. [Dale] took his son [Nicolas] for boxing lessons. He felt the boy needed to toughen up.
[{('Belva', 'brother', 'Nicolas'): [('Belva', 'father', 'Dale'), ('Dale', 'son', 'Nicolas')]}]
['father', 'son']