story: [Myrna]'s sister [Alma] painted a picture for [Myrna]'s mother, [Gabrielle].
query: ('Gabrielle', 'Alma')
clean_story: [Myrna]'s sister [Alma] painted a picture for [Myrna]'s mother, [Gabrielle].
proof_state: [{('Gabrielle', 'daughter', 'Alma'): [('Gabrielle', 'daughter', 'Myrna'), ('Myrna', 'sister', 'Alma')]}]