story: [Kathleen] and her son [Lance] went out to lunch together yesterday. [Henry] took his son [John] out for ice cream. [John] was so proud of his son, [Lance]. he received a great scholarship to college.
clean_story: [Kathleen] and her son [Lance] went out to lunch together yesterday. [John] was so proud of his son, [Lance]. he received a great scholarship to college. [Henry] took his son [John] out for ice cream.
proof_state: [{('Kathleen', 'father', 'Henry'): [('Kathleen', 'son', 'Lance'), ('Lance', 'grandfather', 'Henry')]}, {('Lance', 'grandfather', 'Henry'): [('Lance', 'father', 'John'), ('John', 'father', 'Henry')]}]