story: [Geraldine] and her brother [Brian] sat down together to clip coupons. [Brian] wanted to get a good gift for his sister, [Stacy] [Stacy] has a great relationship with her father [Preston].
query: ('Brian', 'Preston')
clean_story: [Brian] wanted to get a good gift for his sister, [Stacy] [Stacy] has a great relationship with her father [Preston].
proof_state: [{('Brian', 'father', 'Preston'): [('Brian', 'sister', 'Stacy'), ('Stacy', 'father', 'Preston')]}]