story: [Otto] bought his daughter [Beatrice] and his wife [Minnie] flowers. [Ellen] is the happy daughter of her adoring father [Otto].
query: ('Minnie', 'Beatrice')
clean_story: [Otto] bought his daughter [Beatrice] and his wife [Minnie] flowers.
proof_state: [{('Minnie', 'daughter', 'Beatrice'): [('Minnie', 'husband', 'Otto'), ('Otto', 'daughter', 'Beatrice')]}]