[Frances] cooked her son [Joshua] his favorite meal yesterday because it was his birthday. [Frances] loves when her daughter, [Cindy], comes to visit. Sometimes [Cindy] brings along her son, [Pete].
('Joshua', 'Pete')
[Frances] cooked her son [Joshua] his favorite meal yesterday because it was his birthday. [Frances] loves when her daughter, [Cindy], comes to visit. Sometimes [Cindy] brings along her son, [Pete].
[{('Joshua', 'nephew', 'Pete'): [('Joshua', 'sister', 'Cindy'), ('Cindy', 'son', 'Pete')]}, {('Joshua', 'sister', 'Cindy'): [('Joshua', 'mother', 'Frances'), ('Frances', 'daughter', 'Cindy')]}]
['mother', 'daughter', 'son']