story: [Minnie] and her sister [Nancy] braided each other's hair before school. [Nancy] took her daughter [Maria] to the store to find her some new boots for the cold winter weather. [Crystal] and her sister [Nancy] have never been close. Still, they love each other because they are family.
query: ('Maria', 'Crystal')
clean_story: [Nancy] took her daughter [Maria] to the store to find her some new boots for the cold winter weather. [Crystal] and her sister [Nancy] have never been close. Still, they love each other because they are family.
proof_state: [{('Maria', 'aunt', 'Crystal'): [('Maria', 'mother', 'Nancy'), ('Nancy', 'sister', 'Crystal')]}]