...what appeared to be an old storeroom. Dust obscured a damaged paineting making it hard to understand just what the artist had intended.

“This could be a trick of some sort,” one said. “We might be going around in circles.”

“I don’t think so,” said the thoughtful one. “I think we’re supposed to think it’s a trick...that’s the trick.”

They all looked at me. “Yes,” I said. “I’m sure you’re right about that.”

With doubtful looks they left for...