story: [Kevin] and his sister [Marci] were twins. Still, they did n't look very much alike. [Marci] loves her grandfather [Jason] very much
query: ('Kevin', 'Jason')
clean_story: [Kevin] and his sister [Marci] were twins. Still, they did n't look very much alike. [Marci] loves her grandfather [Jason] very much
proof_state: [{('Kevin', 'grandfather', 'Jason'): [('Kevin', 'sister', 'Marci'), ('Marci', 'grandfather', 'Jason')]}]