story: [Myrna] went shopping with her daughter [Lucille]. [Lucille]'s sister [Anna] was too busy to join them.
query: ('Anna', 'Myrna')
clean_story: [Myrna] went shopping with her daughter [Lucille]. [Lucille]'s sister [Anna] was too busy to join them.
proof_state: [{('Anna', 'mother', 'Myrna'): [('Anna', 'sister', 'Lucille'), ('Lucille', 'mother', 'Myrna')]}]