story: [Rose] is playing in the park with her son [Casey]. [Peter] is calling his sister [Rose] to let her know it's going to start to rain. [Rudolph] took his son [Peter] for boxing lessons. He felt the boy needed to toughen up. [Rose] drove her son [Errol] to his soccer game.
query: ('Rudolph', 'Casey')
clean_story: [Rudolph] took his son [Peter] for boxing lessons. He felt the boy needed to toughen up. [Rose] is playing in the park with her son [Casey]. [Peter] is calling his sister [Rose] to let her know it's going to start to rain.
proof_state: [{('Rudolph', 'grandson', 'Casey'): [('Rudolph', 'daughter', 'Rose'), ('Rose', 'son', 'Casey')]}, {('Rudolph', 'daughter', 'Rose'): [('Rudolph', 'son', 'Peter'), ('Peter', 'sister', 'Rose')]}]