story: [Eustolia]'s grandfather [Rudolph] took her and her sister [Michelle] out to dinner. [Rudolph] bought flowers for his wife [Sandra]. [Erik] and his sister [Eustolia] stood in line at the fair.
query: ('Sandra', 'Michelle')
clean_story: [Rudolph] bought flowers for his wife [Sandra]. [Eustolia]'s grandfather [Rudolph] took her and her sister [Michelle] out to dinner.
proof_state: [{('Sandra', 'granddaughter', 'Michelle'): [('Sandra', 'granddaughter', 'Eustolia'), ('Eustolia', 'sister', 'Michelle')]}, {('Sandra', 'granddaughter', 'Eustolia'): [('Sandra', 'husband', 'Rudolph'), ('Rudolph', 'granddaughter', 'Eustolia')]}]