story: [Minnie] and her husband [Otto] always make sure they have a date night every month. [Otto] who is [Dana]'s father grounded [Dana] after finding out what [Dana] had done at school. [Dana] went with his mother Sherry to go to the mall to shop for new school clothes. They ran into Sherry's sister [Nancy] while they were there.
query: ('Otto', 'Nancy')
clean_story: [Otto] who is [Dana]'s father grounded [Dana] after finding out what [Dana] had done at school. [Dana] went with his mother Sherry to go to the mall to shop for new school clothes. They ran into Sherry's sister [Nancy] while they were there.
proof_state: [{('Otto', 'sister', 'Nancy'): [('Otto', 'son', 'Dana'), ('Dana', 'aunt', 'Nancy')]}]