story: [Michelle] took her daughter [Nancy] to the store to find her some new boots for the cold winter weather. [Minnie] asked her brother [Preston] if he wanted to go to the skating rink. [Preston] saw his younger sister [Nancy] crying because she wanted to skate too, but could n't with her broken leg.
query: ('Nancy', 'Minnie')
clean_story: [Minnie] asked her brother [Preston] if he wanted to go to the skating rink. [Preston] saw his younger sister [Nancy] crying because she wanted to skate too, but could n't with her broken leg.
proof_state: [{('Nancy', 'sister', 'Minnie'): [('Nancy', 'brother', 'Preston'), ('Preston', 'sister', 'Minnie')]}]