story: [Edward] borrowed some money from his sister [Karen]. [Stacy] does n't like her brother [Brian]. [Edward] liked to talk about his sister, [Stacy].
query: ('Edward', 'Brian')
clean_story: [Edward] liked to talk about his sister, [Stacy]. [Stacy] does n't like her brother [Brian].
proof_state: [{('Edward', 'brother', 'Brian'): [('Edward', 'sister', 'Stacy'), ('Stacy', 'brother', 'Brian')]}]