story: [Stacy] loved her mother [Melissa]. She was heartbroken when she heard [Melissa] had suddenly passed away. [Geraldine] was sewing a sweater for her sister [Stacy]. [Nancy] was sewing a sweater for her sister [Melissa].
query: ('Stacy', 'Nancy')
clean_story: [Stacy] loved her mother [Melissa]. She was heartbroken when she heard [Melissa] had suddenly passed away. [Nancy] was sewing a sweater for her sister [Melissa].
proof_state: [{('Stacy', 'aunt', 'Nancy'): [('Stacy', 'mother', 'Melissa'), ('Melissa', 'sister', 'Nancy')]}]