story: [Stacy] and his grandfather, [Rudolph], went to the zoo, and had a great time together. [Michelle] loves her brother [Stacy]. [Michelle] is n't too fond of her brother [Erik] though. [Michelle] 'father, [Peter], recently went back to school.
query: ('Erik', 'Rudolph')
clean_story: [Michelle] loves her brother [Stacy]. [Michelle] is n't too fond of her brother [Erik] though. [Stacy] and his grandfather, [Rudolph], went to the zoo, and had a great time together.
proof_state: [{('Erik', 'grandfather', 'Rudolph'): [('Erik', 'brother', 'Stacy'), ('Stacy', 'grandfather', 'Rudolph')]}, {('Erik', 'brother', 'Stacy'): [('Erik', 'sister', 'Michelle'), ('Michelle', 'brother', 'Stacy')]}]