story: [Michelle]'s daughter, [Reta], asked her mom to read her a story. [Michelle] took her daughter [May] to school during the cold winter morning. [Stanley] is a male and the Grandfather of [May]. [May] is a female and is the granddaughter of [Stanley].
query: ('Stanley', 'Reta')
clean_story: [Stanley] is a male and the Grandfather of [May]. [May] is a female and is the granddaughter of [Stanley]. [Michelle] took her daughter [May] to school during the cold winter morning. [Michelle]'s daughter, [Reta], asked her mom to read her a story.
proof_state: [{('Stanley', 'granddaughter', 'Reta'): [('Stanley', 'granddaughter', 'May'), ('May', 'sister', 'Reta')]}, {('May', 'sister', 'Reta'): [('May', 'mother', 'Michelle'), ('Michelle', 'daughter', 'Reta')]}]