story: [Kirk] enjoys the company of his sibling [May]. [May] was on the phone with her brother [Paul] earlier. [Paul] had his grandfather [Stanley] over for Lunch.
query: ('Kirk', 'Stanley')
clean_story: [Kirk] enjoys the company of his sibling [May]. [May] was on the phone with her brother [Paul] earlier. [Paul] had his grandfather [Stanley] over for Lunch.
proof_state: [{('Kirk', 'grandfather', 'Stanley'): [('Kirk', 'brother', 'Paul'), ('Paul', 'grandfather', 'Stanley')]}, {('Kirk', 'brother', 'Paul'): [('Kirk', 'sister', 'May'), ('May', 'brother', 'Paul')]}]