story: [Sherman] enjoys going fishing with his brother. His name is [Charles]. [Cecilia] took her son [Charles] to school because he missed the bus. [Cecilia] is proud that her son graduated college. His name is [Sherman]. [Nettie] and her daughter [April] went to see a movie yesterday and then got ice cream afterwards. [April] took her sister, [Cecilia], out to dinner for her birthday.
clean_story: [Cecilia] took her son [Charles] to school because he missed the bus. [April] took her sister, [Cecilia], out to dinner for her birthday. [Nettie] and her daughter [April] went to see a movie yesterday and then got ice cream afterwards.
proof_state: [{('Charles', 'grandmother', 'Nettie'): [('Charles', 'mother', 'Cecilia'), ('Cecilia', 'mother', 'Nettie')]}, {('Cecilia', 'mother', 'Nettie'): [('Cecilia', 'sister', 'April'), ('April', 'mother', 'Nettie')]}]