story: [Dorothy] showed pictures of her son [Micheal] to her sister [Lisa]
query: ('Lisa', 'Micheal')
clean_story: [Dorothy] showed pictures of her son [Micheal] to her sister [Lisa]
proof_state: [{('Lisa', 'nephew', 'Micheal'): [('Lisa', 'sister', 'Dorothy'), ('Dorothy', 'son', 'Micheal')]}]