Corey confesses that he attacked Pierson earlier, and he then kills Donlin and sets out alone, confident that he will survive longer now that he has all of the water supply. Corey climbs a nearby mountain and sees a sign for Reno, and then sees telephone poles, which were what Pierson had attempted to draw before _he_died. <sep>, Pronoun: he <sep>, A: Corey <sep>, B: Pierson