story: [Danita] and her sister [Eustolia] played a prank on their father [Peter]. [Stacy], [Peter]'s son, did n't participate. [Lisa] and her daughter [Danita] went shopping together last Monday and they bought new shoes for [Lisa]'s kids.
query: ('Stacy', 'Eustolia')
clean_story: [Danita] and her sister [Eustolia] played a prank on their father [Peter]. [Stacy], [Peter]'s son, did n't participate.
proof_state: [{('Stacy', 'sister', 'Eustolia'): [('Stacy', 'sister', 'Danita'), ('Danita', 'sister', 'Eustolia')]}, {('Stacy', 'sister', 'Danita'): [('Stacy', 'father', 'Peter'), ('Peter', 'daughter', 'Danita')]}]