Sherlock Holmes and Dr. Watson go camping in the woods.

They set up their tent and go to sleep for the night. In the middle of the night, Sherlock wakes Watson up. "Watson," he asks, "what do you see?" Dr. Watson looks up, blinking wearily. "Well, I see millions upon millions of stars." "And what does that mean?" "Well," Watson begins, pondering for a moment, "if there are millions upon millions of stars, then there very well might be millions upon millions of planets. If there are millions upon millions of planets, surely one or two of them has life. We may not be alone in this universe." "Watson, you idiot," Sherlock says, "it means somebody stole our tent.