story: [Diana]'s brother [Edward] took her to the fair when she was little. [Edward] also brought his brother [Casey]. [Edward] has always felt ignored in his big family. His brother [Scott] always got all the attention of their parents, who recounted his every accomplishment to all the household. [Diana] adored visiting grandma [Sandra]'s house. [Sandra] frequently spoiled her granddaughter with sweets and hot chocolate.
query: ('Sandra', 'Casey')
clean_story: [Diana] adored visiting grandma [Sandra]'s house. [Sandra] frequently spoiled her granddaughter with sweets and hot chocolate. [Diana]'s brother [Edward] took her to the fair when she was little. [Edward] also brought his brother [Casey].
proof_state: [{('Sandra', 'grandson', 'Casey'): [('Sandra', 'grandson', 'Edward'), ('Edward', 'brother', 'Casey')]}, {('Sandra', 'grandson', 'Edward'): [('Sandra', 'granddaughter', 'Diana'), ('Diana', 'brother', 'Edward')]}]