story: [James] does not know he has a son named [Vincent]. [Myrna] is the lovely aunt of [Vincent]
query: ('James', 'Myrna')
clean_story: [James] does not know he has a son named [Vincent]. [Myrna] is the lovely aunt of [Vincent]
proof_state: [{('James', 'sister', 'Myrna'): [('James', 'son', 'Vincent'), ('Vincent', 'aunt', 'Myrna')]}]