story: [Dorothy] talks to her son [Dan] every day. [Jason]'s grandson [Dan] wants a new sled for Christmas.
query: ('Dorothy', 'Jason')
clean_story: [Dorothy] talks to her son [Dan] every day. [Jason]'s grandson [Dan] wants a new sled for Christmas.
proof_state: [{('Dorothy', 'father', 'Jason'): [('Dorothy', 'son', 'Dan'), ('Dan', 'grandfather', 'Jason')]}]