story: [Nancy] and her sister [Crystal] have never been close. Still, they love each other because they are family. [Nancy] does n't like having to babysit her younger brother, [Otto]. [Nancy] took a photo of her father [Adam] for the family album.
query: ('Crystal', 'Adam')
clean_story: [Nancy] and her sister [Crystal] have never been close. Still, they love each other because they are family. [Nancy] took a photo of her father [Adam] for the family album.
proof_state: [{('Crystal', 'father', 'Adam'): [('Crystal', 'sister', 'Nancy'), ('Nancy', 'father', 'Adam')]}]