[Wayne]'s son [Kevin] had a recital, so [Wayne] asked his sister [Theresa] if she wanted to go.
('Theresa', 'Kevin')
[Wayne]'s son [Kevin] had a recital, so [Wayne] asked his sister [Theresa] if she wanted to go.
[{('Theresa', 'nephew', 'Kevin'): [('Theresa', 'brother', 'Wayne'), ('Wayne', 'son', 'Kevin')]}]
['brother', 'son']