story: [Vincent] wanted to stay with his mother [Dorothy] for the weekend, but she insisted that he visit his grandfather [Jason] instead.
query: ('Dorothy', 'Jason')
clean_story: [Vincent] wanted to stay with his mother [Dorothy] for the weekend, but she insisted that he visit his grandfather [Jason] instead.
proof_state: [{('Dorothy', 'father', 'Jason'): [('Dorothy', 'son', 'Vincent'), ('Vincent', 'grandfather', 'Jason')]}]