story: [Otto] bought his daughter [Ellen] and his wife [Minnie] flowers. [Raymond] went to the park with his father, [Otto].
query: ('Minnie', 'Ellen')
clean_story: [Otto] bought his daughter [Ellen] and his wife [Minnie] flowers.
proof_state: [{('Minnie', 'daughter', 'Ellen'): [('Minnie', 'husband', 'Otto'), ('Otto', 'daughter', 'Ellen')]}]