[Cindy] showed pictures of her son [Pete] to her sister [David] [David] loves to watch stand up comedy with her brother. His name is [Wesley].
('Wesley', 'Pete')
[David] loves to watch stand up comedy with her brother. His name is [Wesley]. [Cindy] showed pictures of her son [Pete] to her sister [David]
[{('Wesley', 'nephew', 'Pete'): [('Wesley', 'sister', 'Cindy'), ('Cindy', 'son', 'Pete')]}, {('Wesley', 'sister', 'Cindy'): [('Wesley', 'sister', 'David'), ('David', 'sister', 'Cindy')]}]
['sister', 'sister', 'son']