story: [Peter] wanted his daughter [Danita] to go to the store, but she took her sister [Eustolia] to school instead. [Michelle] is a woman with a sister named [Eustolia]. [Eustolia] and [Stacy] had a picnic at the park. They had sandwiches and salad.
query: ('Stacy', 'Peter')
clean_story: [Eustolia] and [Stacy] had a picnic at the park. They had sandwiches and salad. [Peter] wanted his daughter [Danita] to go to the store, but she took her sister [Eustolia] to school instead.
proof_state: [{('Stacy', 'father', 'Peter'): [('Stacy', 'sister', 'Danita'), ('Danita', 'father', 'Peter')]}, {('Stacy', 'sister', 'Danita'): [('Stacy', 'sister', 'Eustolia'), ('Eustolia', 'sister', 'Danita')]}]