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