story: [Myrna] was eating dinner with her sister [Dorothy]. [Myrna]'s brother [Dwight] was n't invited.
query: ('Dorothy', 'Dwight')
clean_story: [Myrna] was eating dinner with her sister [Dorothy]. [Myrna]'s brother [Dwight] was n't invited.
proof_state: [{('Dorothy', 'brother', 'Dwight'): [('Dorothy', 'sister', 'Myrna'), ('Myrna', 'brother', 'Dwight')]}]