story: [Otto] was shopping for a new dress for his daughter [Tammy]. [Dana] is love by his father [Otto]. [John] loves his brother [Dana].
query: ('Otto', 'John')
clean_story: [Dana] is love by his father [Otto]. [John] loves his brother [Dana].
proof_state: [{('Otto', 'son', 'John'): [('Otto', 'son', 'Dana'), ('Dana', 'brother', 'John')]}]