story: [Stacy] went to his grandfather [Rudolph]'s birthday party with [Peter] and [Rose] [Rudolph] had a wife named [Sandra]
query: ('Rudolph', 'Stacy')
clean_story: [Stacy] went to his grandfather [Rudolph]'s birthday party with [Peter] and [Rose]
proof_state: [{('Rudolph', 'grandson', 'Stacy'): [('Rudolph', 'son', 'Peter'), ('Peter', 'son', 'Stacy')]}, {('Rudolph', 'son', 'Peter'): [('Rudolph', 'daughter', 'Rose'), ('Rose', 'brother', 'Peter')]}]