story: [Alfred]'s brother [Mark] helped him pick a birthday gift for his daughter, [Louise]. [Alfred] and his sister [Lisa] walked to school together every day, since they only lived two blocks away from the school. [Louise] and her brother [Kenneth] sat down together to clip coupons.
query: ('Kenneth', 'Mark')
clean_story: [Louise] and her brother [Kenneth] sat down together to clip coupons. [Alfred]'s brother [Mark] helped him pick a birthday gift for his daughter, [Louise].
proof_state: [{('Kenneth', 'uncle', 'Mark'): [('Kenneth', 'father', 'Alfred'), ('Alfred', 'brother', 'Mark')]}, {('Kenneth', 'father', 'Alfred'): [('Kenneth', 'sister', 'Louise'), ('Louise', 'father', 'Alfred')]}]