story: [Myrna] is taking a trip to see her sister [Alma]. [Myrna] took her sister [Dorothy] out for dinner to celebrate her birthday.
query: ('Dorothy', 'Alma')
clean_story: [Myrna] took her sister [Dorothy] out for dinner to celebrate her birthday. [Myrna] is taking a trip to see her sister [Alma].
proof_state: [{('Dorothy', 'sister', 'Alma'): [('Dorothy', 'sister', 'Myrna'), ('Myrna', 'sister', 'Alma')]}]