story: [Nancy] picked up her daughter [Claire] from school early. [Sabrina]'s sister [Claire] and grandfather [Adam] cooked a nice fresh lunch together last month.
query: ('Claire', 'Adam')
clean_story: [Sabrina]'s sister [Claire] and grandfather [Adam] cooked a nice fresh lunch together last month.
proof_state: [{('Claire', 'grandfather', 'Adam'): [('Claire', 'sister', 'Sabrina'), ('Sabrina', 'grandfather', 'Adam')]}]