story: [Carolina] and her son [Harold] went out to lunch together yesterday. [Robert] played golf with his father [Paul] and his son [Harold]. [Mario] was disappointed that his father, [Robert], would n't be at the play to see him perform. [Mario] and his brother [Harold] always played pranks on each other
clean_story: [Carolina] and her son [Harold] went out to lunch together yesterday. [Robert] played golf with his father [Paul] and his son [Harold].
proof_state: [{('Carolina', 'father', 'Paul'): [('Carolina', 'son', 'Harold'), ('Harold', 'grandfather', 'Paul')]}, {('Harold', 'grandfather', 'Paul'): [('Harold', 'father', 'Robert'), ('Robert', 'father', 'Paul')]}]