story: [Diana] borrowed some money from her brother [Casey]. [Rose] dropped her daughter, [Diana], off at [Peter]'s house. [Peter] was happy to babysit the child for his sister, [Rose]. [Jennifer] and her sister [Diana] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while.
query: ('Peter', 'Casey')
clean_story: [Rose] dropped her daughter, [Diana], off at [Peter]'s house. [Peter] was happy to babysit the child for his sister, [Rose]. [Diana] borrowed some money from her brother [Casey].
proof_state: [{('Peter', 'nephew', 'Casey'): [('Peter', 'sister', 'Rose'), ('Rose', 'son', 'Casey')]}, {('Rose', 'son', 'Casey'): [('Rose', 'daughter', 'Diana'), ('Diana', 'brother', 'Casey')]}]