story: [Rachel] enjoyed a homemade dinner with her son [Jonathon] [William] was out with his son [Jonathon]. Later that day they went to see [William]'s father, [Jacob]. [William]'s brother, [David], recently made it into town.
clean_story: [Rachel] enjoyed a homemade dinner with her son [Jonathon] [William] was out with his son [Jonathon]. Later that day they went to see [William]'s father, [Jacob].
proof_state: [{('Rachel', 'father', 'Jacob'): [('Rachel', 'son', 'Jonathon'), ('Jonathon', 'grandfather', 'Jacob')]}, {('Jonathon', 'grandfather', 'Jacob'): [('Jonathon', 'father', 'William'), ('William', 'father', 'Jacob')]}]