story: [Alfred]'s wife, [Lucille], just went to graduate. [Lucille] took her mother, [Myrna], out for lunch.
query: ('Alfred', 'Myrna')
clean_story: [Alfred]'s wife, [Lucille], just went to graduate. [Lucille] took her mother, [Myrna], out for lunch.
proof_state: [{('Alfred', 'mother-in-law', 'Myrna'): [('Alfred', 'wife', 'Lucille'), ('Lucille', 'mother', 'Myrna')]}]