story: [Dana]'s grandfather [Adam] and brother [John] all went to a hockey game after dinner. [Dana] always enjoyed playing with his sister, [Tammy], when they were growing up.
query: ('John', 'Adam')
clean_story: [Dana]'s grandfather [Adam] and brother [John] all went to a hockey game after dinner.
proof_state: [{('John', 'grandfather', 'Adam'): [('John', 'brother', 'Dana'), ('Dana', 'grandfather', 'Adam')]}]