story: Last night, [Alma] went out with her sister [Myrna], accompanied by [Alma]'s daughter [Vanessa].
query: ('Myrna', 'Vanessa')
clean_story: Last night, [Alma] went out with her sister [Myrna], accompanied by [Alma]'s daughter [Vanessa].
proof_state: [{('Myrna', 'niece', 'Vanessa'): [('Myrna', 'sister', 'Alma'), ('Alma', 'daughter', 'Vanessa')]}]