story: [Ellen] visited her brother [Dana] in New York. His sister [Rebbeca] was there too. [Tammy] is a woman with a sister named [Rebbeca].
query: ('Rebbeca', 'Ellen')
clean_story: [Ellen] visited her brother [Dana] in New York. His sister [Rebbeca] was there too.
proof_state: [{('Rebbeca', 'sister', 'Ellen'): [('Rebbeca', 'brother', 'Dana'), ('Dana', 'sister', 'Ellen')]}]