"I am your instructor", he says."My name is Four". Christina asks, "Four? Like the number?" "Yes", Four says. "Is there a problem?" "No." "Good. We're about to go into the Pit, which you will someday learn to love. It-" Christina snickers. "The Pit? Clever name." Four walks up to Christina and leans his face close to hers. His eyes narrow, and for a second he just stares at her. "What's your name?" he asks quietly. "Christina", she squeaks. "Well, Christina, if I wanted to put up with Candor smart-mouths, I would have joined their faction", he hisses. "The first lesson you will learn from me is to keep your mouth shut.Got that?"