story: [Myrna] is a woman with a sister named [Lisa]. [Lisa] took her daughter [Donna] to see her very first ballet performance.
query: ('Donna', 'Myrna')
clean_story: [Lisa] took her daughter [Donna] to see her very first ballet performance. [Myrna] is a woman with a sister named [Lisa].
proof_state: [{('Donna', 'aunt', 'Myrna'): [('Donna', 'mother', 'Lisa'), ('Lisa', 'sister', 'Myrna')]}]