story: [Lisa] took her daughter [Michelle] to see her very first ballet performance. [Michelle] is getting married. She is looking forward to her sister, [Eustolia], attending. They have n't seen each other since [Eustolia] relocated to California with her husband 3 years ago. [Erik]'s father, [Peter], needed help with the dishes. [Peter]'s daughter, [Michelle], volunteered to assist.
query: ('Erik', 'Eustolia')
clean_story: [Erik]'s father, [Peter], needed help with the dishes. [Peter]'s daughter, [Michelle], volunteered to assist. [Michelle] is getting married. She is looking forward to her sister, [Eustolia], attending. They have n't seen each other since [Eustolia] relocated to California with her husband 3 years ago.
proof_state: [{('Erik', 'sister', 'Eustolia'): [('Erik', 'father', 'Peter'), ('Peter', 'daughter', 'Eustolia')]}, {('Peter', 'daughter', 'Eustolia'): [('Peter', 'daughter', 'Michelle'), ('Michelle', 'sister', 'Eustolia')]}]