story: [Otto] has always felt ignored in his big family. His brother [Paul] always got all the attention of their parents, who recounted his every accomplishment to all the household. [Otto] and his sister [Crystal] are going for a walk. [Otto] is taking his son [Dana] on a camping trip for the weekend.
query: ('Dana', 'Crystal')
clean_story: [Otto] is taking his son [Dana] on a camping trip for the weekend. [Otto] and his sister [Crystal] are going for a walk.
proof_state: [{('Dana', 'aunt', 'Crystal'): [('Dana', 'father', 'Otto'), ('Otto', 'sister', 'Crystal')]}]