[Herman] and his sister [Stephanie] love to play video games. [Stephanie] read her son [Michael] a bedtime story every night.
('Herman', 'Michael')
[Herman] and his sister [Stephanie] love to play video games. [Stephanie] read her son [Michael] a bedtime story every night.
[{('Herman', 'nephew', 'Michael'): [('Herman', 'sister', 'Stephanie'), ('Stephanie', 'son', 'Michael')]}]