story: [Minnie]'s daughter, [Ellen], and her husband [Otto] helped her weed the garden. [Minnie] asked her son [William] to help her fix her television.
query: ('Otto', 'Ellen')
clean_story: [Minnie]'s daughter, [Ellen], and her husband [Otto] helped her weed the garden.
proof_state: [{('Otto', 'daughter', 'Ellen'): [('Otto', 'wife', 'Minnie'), ('Minnie', 'daughter', 'Ellen')]}]