Carla: Hey, Diane, you got a minute? Listen, I want you to know that you are the last person on earth that I would ask for help. But I figure you've been in college for a zillion years, so you must have picked up something.
Diane: Now that you've buttered me up-
Carla: Well, my kid Gino, he made this generator for his school science fair, and he can't get it to work.
Diane: What's the problem?
Carla: He's not very smart.