story: [James] and his sister [Nancy] were twins. Still, they did n't look very much alike. [Minnie] went on a fishing trip with her youngest child, [Dana], and her brother [James].
query: ('James', 'Dana')
clean_story: [Minnie] went on a fishing trip with her youngest child, [Dana], and her brother [James].
proof_state: [{('James', 'nephew', 'Dana'): [('James', 'sister', 'Minnie'), ('Minnie', 'son', 'Dana')]}]