story: [Anna] was talking about food with her sister [Lucille]. [Myrna] took her daughter [Lucille] to the store to find her some new boots for the cold winter weather.
query: ('Anna', 'Myrna')
clean_story: [Anna] was talking about food with her sister [Lucille]. [Myrna] took her daughter [Lucille] to the store to find her some new boots for the cold winter weather.
proof_state: [{('Anna', 'mother', 'Myrna'): [('Anna', 'sister', 'Lucille'), ('Lucille', 'mother', 'Myrna')]}]