story: [Brian] asked his father [Preston] if he could borrow some money. [Stacy] was watching TV with her grandfather [Adam]. [Brian] has a brother who is younger than him. The brother has a sister whose name is [Stacy].
query: ('Brian', 'Adam')
clean_story: [Brian] has a brother who is younger than him. The brother has a sister whose name is [Stacy]. [Stacy] was watching TV with her grandfather [Adam].
proof_state: [{('Brian', 'grandfather', 'Adam'): [('Brian', 'sister', 'Stacy'), ('Stacy', 'grandfather', 'Adam')]}]