story: [Otto] and his daughter [Rebbeca] went looking at apartments. [Rebbeca] was moving out soon, and wanted her dad's advice. [Dana] is a son of the proud [Otto]. [Adam] is [Dana]'s proud grandfather
query: ('Otto', 'Adam')
clean_story: [Dana] is a son of the proud [Otto]. [Adam] is [Dana]'s proud grandfather
proof_state: [{('Otto', 'father', 'Adam'): [('Otto', 'son', 'Dana'), ('Dana', 'grandfather', 'Adam')]}]