story: [Erik] took his sister [Michelle] and his brother [Stacy] out to dinner for their birthday last night and they had a great time. [Michelle] 'father, [Peter], recently went back to school. [Eustolia] and her brother [Stacy] went to the basketball game and had a great time.
query: ('Stacy', 'Peter')
clean_story: [Erik] took his sister [Michelle] and his brother [Stacy] out to dinner for their birthday last night and they had a great time. [Michelle] 'father, [Peter], recently went back to school.
proof_state: [{('Stacy', 'father', 'Peter'): [('Stacy', 'brother', 'Erik'), ('Erik', 'father', 'Peter')]}, {('Erik', 'father', 'Peter'): [('Erik', 'sister', 'Michelle'), ('Michelle', 'father', 'Peter')]}]