xsd:string An Executive_authority exchanges one penalty, the Original_punishment, for another less severe one, the New_punishment. The Offender is who received the Original_punishment is usually expressed as a modifier. On December 15, 1971, Governor Winfield Dunn conditionally commuted his sentence to twenty years. On December 15, 1971, Governor Winfield Dunn conditionally commuted his sentence to twenty years. She served about two years before President Carter commuted her sentence. She served about two years before President Carter commuted her sentence.