story: [Minnie] took her son [Dana] shopping for new school clothes. They had a good time. [Ellen] and her brother [Dana] are both adopted from the same family. [Otto] proudly walked his daughter [Ellen] down the aisle at her wedding.
query: ('Dana', 'Otto')
clean_story: [Ellen] and her brother [Dana] are both adopted from the same family. [Otto] proudly walked his daughter [Ellen] down the aisle at her wedding.
proof_state: [{('Dana', 'father', 'Otto'): [('Dana', 'sister', 'Ellen'), ('Ellen', 'father', 'Otto')]}]