[Frances] loves cooking for her son. His name is [Joshua]. [David] and her brother [Joshua] played tennis together. [David]'s sister [Lena] has an injured leg and watched instead.
('Frances', 'Lena')
[Frances] loves cooking for her son. His name is [Joshua]. [David] and her brother [Joshua] played tennis together. [David]'s sister [Lena] has an injured leg and watched instead.
[{('Frances', 'daughter', 'Lena'): [('Frances', 'daughter', 'David'), ('David', 'sister', 'Lena')]}, {('Frances', 'daughter', 'David'): [('Frances', 'son', 'Joshua'), ('Joshua', 'sister', 'David')]}]
['son', 'sister', 'sister']