[Juanita] was mad at her brother [Don], because [Don] had called her fat. [Frances] played cards with her grandson [Joseph]. [Joseph]'s sister [Juanita] played video games instead.
('Frances', 'Don')
[Frances] played cards with her grandson [Joseph]. [Joseph]'s sister [Juanita] played video games instead. [Juanita] was mad at her brother [Don], because [Don] had called her fat.
[{('Frances', 'grandson', 'Don'): [('Frances', 'grandson', 'Joseph'), ('Joseph', 'brother', 'Don')]}, {('Joseph', 'brother', 'Don'): [('Joseph', 'sister', 'Juanita'), ('Juanita', 'brother', 'Don')]}]
['grandson', 'sister', 'brother']