story: [Clarence] and her sister [Venita] decided to take a trip to Mexico together. [Alan] took his father, [Stanley], to a baseball game downtown. They invited [Clarence] along, because [Alan] is [Clarence]'s father.
query: ('Venita', 'Stanley')
clean_story: [Clarence] and her sister [Venita] decided to take a trip to Mexico together. [Alan] took his father, [Stanley], to a baseball game downtown. They invited [Clarence] along, because [Alan] is [Clarence]'s father.
proof_state: [{('Venita', 'grandfather', 'Stanley'): [('Venita', 'father', 'Alan'), ('Alan', 'father', 'Stanley')]}, {('Venita', 'father', 'Alan'): [('Venita', 'brother', 'Clarence'), ('Clarence', 'father', 'Alan')]}]