story: [Stephen] and his grandmother, [Donna], went to the gas station. [Stephen] filled up the car, while [Donna] went inside and paid for the gas. [Ashley] and her son [Stephen] went out to lunch together yesterday. [Young] is taking his wife [Ashley] out to dinner for their date tonight.
clean_story: [Young] is taking his wife [Ashley] out to dinner for their date tonight. [Ashley] and her son [Stephen] went out to lunch together yesterday. [Stephen] and his grandmother, [Donna], went to the gas station. [Stephen] filled up the car, while [Donna] went inside and paid for the gas.
proof_state: [{('Young', 'mother', 'Donna'): [('Young', 'son', 'Stephen'), ('Stephen', 'grandmother', 'Donna')]}, {('Young', 'son', 'Stephen'): [('Young', 'wife', 'Ashley'), ('Ashley', 'son', 'Stephen')]}]