The brainiacs will tell you that Prune is hiring a new intern. They don't have the internship contracts lying around.
This is the low-spoiler guide for "Apply for a job at Prune" puzzle in Leisure Suit Larry - Wet Dreams Don't Dry. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.