story: [James] received a letter in the mail from his sister [Carol]. When he opened it, he realized the letter was actually for his son [Casey]. [Rose] takes her son [Casey] to the park every Saturday. [Rose] and her daughter [Jennifer] went out to dinner.
query: ('Rose', 'Carol')
clean_story: [Rose] takes her son [Casey] to the park every Saturday. [James] received a letter in the mail from his sister [Carol]. When he opened it, he realized the letter was actually for his son [Casey].
proof_state: [{('Rose', 'sister', 'Carol'): [('Rose', 'son', 'Casey'), ('Casey', 'aunt', 'Carol')]}, {('Casey', 'aunt', 'Carol'): [('Casey', 'father', 'James'), ('James', 'sister', 'Carol')]}]