[Theresa] 'son, [Travis] wanted to go to the store. He asked his sister, [Charlotte] if she wanted to go too.
('Theresa', 'Charlotte')
[Theresa] 'son, [Travis] wanted to go to the store. He asked his sister, [Charlotte] if she wanted to go too.
[{('Theresa', 'daughter', 'Charlotte'): [('Theresa', 'son', 'Travis'), ('Travis', 'sister', 'Charlotte')]}]
['son', 'sister']