[Francisco] is raising his daughter, [Wilhelmina] all by himself. [Lena] is teaching her niece, [Wilhelmina] how to bake a homemade apple pie. [David] was playing in the sandbox with her brother [Francisco].
('David', 'Lena')
[David] was playing in the sandbox with her brother [Francisco]. [Francisco] is raising his daughter, [Wilhelmina] all by himself. [Lena] is teaching her niece, [Wilhelmina] how to bake a homemade apple pie.
[{('David', 'sister', 'Lena'): [('David', 'brother', 'Francisco'), ('Francisco', 'sister', 'Lena')]}, {('Francisco', 'sister', 'Lena'): [('Francisco', 'daughter', 'Wilhelmina'), ('Wilhelmina', 'aunt', 'Lena')]}]
['brother', 'daughter', 'aunt']