story: [Reta] gave her brother [Kirk] a new sweater for Christmas. [Stanley] took his wife, [Molly], to the circus. [Molly] invited her granddaughter, [Reta], along.
query: ('Stanley', 'Kirk')
clean_story: [Stanley] took his wife, [Molly], to the circus. [Molly] invited her granddaughter, [Reta], along. [Reta] gave her brother [Kirk] a new sweater for Christmas.
proof_state: [{('Stanley', 'grandson', 'Kirk'): [('Stanley', 'wife', 'Molly'), ('Molly', 'grandson', 'Kirk')]}, {('Molly', 'grandson', 'Kirk'): [('Molly', 'granddaughter', 'Reta'), ('Reta', 'brother', 'Kirk')]}]