story: [Otto] loved his two children, [Dana] and [Tammy]. [Rebbeca] took her younger sister [Tammy] to the carnival last weekend.
query: ('Tammy', 'Dana')
clean_story: [Otto] loved his two children, [Dana] and [Tammy].
proof_state: [{('Tammy', 'brother', 'Dana'): [('Tammy', 'father', 'Otto'), ('Otto', 'son', 'Dana')]}]