The Captain came over to the drophole and gave Montag a questioning glance. "I was just figuring," said Montag, "what does the Hound think about down there nights? Is it coming alive on us, really? It makes me cold." "It doesn't think anything we don't want it to think." "That's sad," said Montag, quietly, "because all we put into it is hunting and finding and killing. What a shame if that's all it can ever know." Beatty snorted, gently. "Hell! It's a fine bit of craftsmanship, a good rifle that can fetch its own target and guarantees the bull's-eye every time." "That's why," said Montag, "I wouldn't want to be its next victim. "Why? You got a guilty conscience about something?" Montag glanced up swiftly. (pg.25) 16. Bradbury uses dialogue to propel plot by using which literary device?