story: [Karen] gave her brother [Brian] a new sweater for Christmas. [Mack] loved his mother, [Melissa], very much. [Karen] and her brother [Mack] went to the movies together.
query: ('Mack', 'Brian')
clean_story: [Karen] and her brother [Mack] went to the movies together. [Karen] gave her brother [Brian] a new sweater for Christmas.
proof_state: [{('Mack', 'brother', 'Brian'): [('Mack', 'sister', 'Karen'), ('Karen', 'brother', 'Brian')]}]