story: [Myrna] and her brother [Dwight] watched TV together. [James] was invited to watch too, because [Myrna] is his sister.
query: ('James', 'Dwight')
clean_story: [Myrna] and her brother [Dwight] watched TV together. [James] was invited to watch too, because [Myrna] is his sister.
proof_state: [{('James', 'brother', 'Dwight'): [('James', 'sister', 'Myrna'), ('Myrna', 'brother', 'Dwight')]}]