[Nancy] took her daughter [Louise] to the store to find her some new boots for the cold winter weather. [Louise] does n't always get along with her brother [Robert]. Sometimes they fight like siblings do.
('Robert', 'Nancy')
[Louise] does n't always get along with her brother [Robert]. Sometimes they fight like siblings do. [Nancy] took her daughter [Louise] to the store to find her some new boots for the cold winter weather.
[{('Robert', 'mother', 'Nancy'): [('Robert', 'sister', 'Louise'), ('Louise', 'mother', 'Nancy')]}]
['sister', 'mother']