story: [Rebbeca] gave her brother [Dana] a new sweater for Christmas. [Dana] took his sister [Ellen] to the movies with him to see the new Star Wars film. [Rebbeca]'s mom, [Minnie], has recently taken art classes.
query: ('Rebbeca', 'Ellen')
clean_story: [Rebbeca] gave her brother [Dana] a new sweater for Christmas. [Dana] took his sister [Ellen] to the movies with him to see the new Star Wars film.
proof_state: [{('Rebbeca', 'sister', 'Ellen'): [('Rebbeca', 'brother', 'Dana'), ('Dana', 'sister', 'Ellen')]}]