story: [Michele] went to the store with her sister [Sheila]. Later that day, [Michele] had tea with her sister [Deborah].
query: ('Deborah', 'Sheila')
clean_story: [Michele] went to the store with her sister [Sheila]. Later that day, [Michele] had tea with her sister [Deborah].
proof_state: [{('Deborah', 'sister', 'Sheila'): [('Deborah', 'sister', 'Michele'), ('Michele', 'sister', 'Sheila')]}]