user
Given a cartoon image and a caption. Caption: Personally, I'm not a big fan of modern architecture. Question: Generating an explanation of why this image/caption combination is funny. Answer: 
assistant
People sometimes complain about modern architecture being ugly. But for cavepeople, the cave is the modern architecture, and the hole is the usual one. Thinking of a cave as "modern architecture" is funny because both seem so ancient to the reader.