story: [Peter] went to [Sandra]'s house for dinner. [Carol] and her sister [Peter] went to the ice cream shop. [Erik] has a sibling who is much younger than he is. They get along well and his name is [Stacy]. [Peter] is proud of his son. His name is [Stacy].
query: ('Erik', 'Carol')
clean_story: [Erik] has a sibling who is much younger than he is. They get along well and his name is [Stacy]. [Peter] is proud of his son. His name is [Stacy]. [Carol] and her sister [Peter] went to the ice cream shop.
proof_state: [{('Erik', 'aunt', 'Carol'): [('Erik', 'father', 'Peter'), ('Peter', 'sister', 'Carol')]}, {('Erik', 'father', 'Peter'): [('Erik', 'brother', 'Stacy'), ('Stacy', 'father', 'Peter')]}]