story: [Rose]'s brother [Peter] took her to the fair when she was little. [Peter] also brought his brother [Mark]. [Casey] loves his mother very much. Her name is [Rose]. [Scott] and his brother [Casey] decided to play paintball on Saturday.
query: ('Casey', 'Mark')
clean_story: [Casey] loves his mother very much. Her name is [Rose]. [Rose]'s brother [Peter] took her to the fair when she was little. [Peter] also brought his brother [Mark].
proof_state: [{('Casey', 'uncle', 'Mark'): [('Casey', 'mother', 'Rose'), ('Rose', 'brother', 'Mark')]}, {('Rose', 'brother', 'Mark'): [('Rose', 'brother', 'Peter'), ('Peter', 'brother', 'Mark')]}]