story: [Erik] is one of [Michelle]'s brothers. They have lots of fun together. [Lisa] picked up her daughter [Michelle] from school early. [Stacy] wanted to go to the park with his sister [Eustolia]. [Eustolia] said she'd rather go swimming with her sister [Michelle] instead.
query: ('Stacy', 'Erik')
clean_story: [Stacy] wanted to go to the park with his sister [Eustolia]. [Eustolia] said she'd rather go swimming with her sister [Michelle] instead. [Erik] is one of [Michelle]'s brothers. They have lots of fun together.
proof_state: [{('Stacy', 'brother', 'Erik'): [('Stacy', 'sister', 'Michelle'), ('Michelle', 'brother', 'Erik')]}, {('Stacy', 'sister', 'Michelle'): [('Stacy', 'sister', 'Eustolia'), ('Eustolia', 'sister', 'Michelle')]}]