story: [Sandra] asked her grandson [Edward] to help her bring in bags from the car. When she went inside, [Edward] had left to ride bikes with his brother [Casey]. [Scott] is a man with a brother named [Casey]. [Rose] took her son [Scott] to the park.
query: ('Scott', 'Sandra')
clean_story: [Scott] is a man with a brother named [Casey]. [Sandra] asked her grandson [Edward] to help her bring in bags from the car. When she went inside, [Edward] had left to ride bikes with his brother [Casey].
proof_state: [{('Scott', 'grandmother', 'Sandra'): [('Scott', 'brother', 'Edward'), ('Edward', 'grandmother', 'Sandra')]}, {('Scott', 'brother', 'Edward'): [('Scott', 'brother', 'Casey'), ('Casey', 'brother', 'Edward')]}]