Dilbert says to Dogbert, "Helen just canceled our date." Dogbert asks, "What excuse this time?" Dilbert sits on the hassock with Dogbert and answers, "Apparently she discovered tiny frozen cavemen in her ice cube trays and she's trying to revive them for science." Dogbert asks, "Are you the least bit suspicious of that story?" Dilbert replies, "Yeah . . . How do I know they aren't just pretending to be cavemen?"