 Which of the following was not heard by Joe as the voice in his head after his treatment?
I've been a garbage man, street-cleaner, ditch-digger—" On the other side of the room, the jukebox came to life with a roar and a group of teen-agers scrambled to the dance floor. There were no longer any prisons—CPA officials had declared loudly and emphatically that their job was to prevent crime, not punish it. Instead, he was sent to a hospital where all criminal tendencies were removed from his mind by psychologists, shock treatments, encephalographic devices, a form of prefrontal lobotomy and a dozen other methods. And therefore, an EX (a convicted criminal who received the treatment was commonly called an Ex because he was in the strictest sense of the word an Ex-criminal) ...
 Unlawful to communicate with a DCT.
 Unlawful to curse.  Unlawful to divulge CPA procedure.  Unlawful to communicate with a DCT.  Unlawful to strike someone except in self-defense.