story: [Stacy] has a sister that picks on him. Her name is [Eustolia]. [Michelle] and her sister [Eustolia] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while. [Lisa] took her daughter [Michelle] to see her very first ballet performance. [Michelle] was playing in the sandbox with her brother [Erik].
query: ('Stacy', 'Lisa')
clean_story: [Stacy] has a sister that picks on him. Her name is [Eustolia]. [Michelle] and her sister [Eustolia] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while. [Lisa] took her daughter [Michelle] to see her very first ballet performance.
proof_state: [{('Stacy', 'mother', 'Lisa'): [('Stacy', 'sister', 'Michelle'), ('Michelle', 'mother', 'Lisa')]}, {('Stacy', 'sister', 'Michelle'): [('Stacy', 'sister', 'Eustolia'), ('Eustolia', 'sister', 'Michelle')]}]