story: [Dana] sent flowers to his mother [Minnie] for Mother's Day. [John]'s sister [Rebbeca] went to sit with his brother [Dana].
query: ('Dana', 'Rebbeca')
clean_story: [John]'s sister [Rebbeca] went to sit with his brother [Dana].
proof_state: [{('Dana', 'sister', 'Rebbeca'): [('Dana', 'brother', 'John'), ('John', 'sister', 'Rebbeca')]}]