story: [Thomas] made a romantic dinner for his wife [Reta]. [Reta] was playing in the sandbox with her brother [Paul]. [Paul]'s father, [Michael], bought him some ice cream.
query: ('Thomas', 'Michael')
clean_story: [Thomas] made a romantic dinner for his wife [Reta]. [Reta] was playing in the sandbox with her brother [Paul]. [Paul]'s father, [Michael], bought him some ice cream.
proof_state: [{('Thomas', 'father-in-law', 'Michael'): [('Thomas', 'wife', 'Reta'), ('Reta', 'father', 'Michael')]}, {('Reta', 'father', 'Michael'): [('Reta', 'brother', 'Paul'), ('Paul', 'father', 'Michael')]}]