[Richard] is a man with a brother named [Pete]. [Cindy] took her son [Richard] to school this morning because he missed the bus. [Pete] prepared romantic dinner for Valentine's Day for his wife, [Natasha].
('Cindy', 'Natasha')
[Cindy] took her son [Richard] to school this morning because he missed the bus. [Richard] is a man with a brother named [Pete]. [Pete] prepared romantic dinner for Valentine's Day for his wife, [Natasha].
[{('Cindy', 'daughter-in-law', 'Natasha'): [('Cindy', 'son', 'Pete'), ('Pete', 'wife', 'Natasha')]}, {('Cindy', 'son', 'Pete'): [('Cindy', 'son', 'Richard'), ('Richard', 'brother', 'Pete')]}]
['son', 'brother', 'wife']