story: [Lisa] visited her son [Erik] at college. [Stacy] went to the park with his father, [Peter]. [Stacy] went to the grocery store for his brother [Erik], because he broke his leg. [Stacy] and his sister [Eustolia] went to the ice skating rink. [Stacy] fell down and [Eustolia] laughed at him.
query: ('Lisa', 'Eustolia')
clean_story: [Lisa] visited her son [Erik] at college. [Stacy] went to the grocery store for his brother [Erik], because he broke his leg. [Stacy] and his sister [Eustolia] went to the ice skating rink. [Stacy] fell down and [Eustolia] laughed at him.
proof_state: [{('Lisa', 'daughter', 'Eustolia'): [('Lisa', 'son', 'Stacy'), ('Stacy', 'sister', 'Eustolia')]}, {('Lisa', 'son', 'Stacy'): [('Lisa', 'son', 'Erik'), ('Erik', 'brother', 'Stacy')]}]