[Chris] was n't sure if he actually wanted to visit his sister [Martha]. After he thought about it, he decided to visit his brother [Charles] instead. [Lena] loves cooking for her son. His name is [Charles].
('Lena', 'Martha')
[Lena] loves cooking for her son. His name is [Charles]. [Chris] was n't sure if he actually wanted to visit his sister [Martha]. After he thought about it, he decided to visit his brother [Charles] instead.
[{('Lena', 'daughter', 'Martha'): [('Lena', 'son', 'Chris'), ('Chris', 'sister', 'Martha')]}, {('Lena', 'son', 'Chris'): [('Lena', 'son', 'Charles'), ('Charles', 'brother', 'Chris')]}]
['son', 'brother', 'sister']