story: [Sandra] is getting married. She is looking forward to her sister, [Michelle], attending. They have n't seen each other since [Michelle] relocated to California with her husband 3 years ago. [Marian] and her son [John] went to her sister [Michelle]
query: ('Sandra', 'John')
clean_story: [Sandra] is getting married. She is looking forward to her sister, [Michelle], attending. They have n't seen each other since [Michelle] relocated to California with her husband 3 years ago. [Marian] and her son [John] went to her sister [Michelle]
proof_state: [{('Sandra', 'nephew', 'John'): [('Sandra', 'sister', 'Marian'), ('Marian', 'son', 'John')]}, {('Sandra', 'sister', 'Marian'): [('Sandra', 'sister', 'Michelle'), ('Michelle', 'sister', 'Marian')]}]