[Wayne] lit the campfire with his sister [Theresa] while his son [Kevin] gathered wood.
('Kevin', 'Theresa')
[Wayne] lit the campfire with his sister [Theresa] while his son [Kevin] gathered wood.
[{('Kevin', 'aunt', 'Theresa'): [('Kevin', 'father', 'Wayne'), ('Wayne', 'sister', 'Theresa')]}]
['father', 'sister']