If something is a UFO, it means that it is an unidentified flying object that has been identified as a UFO. But if it has been identified as a UFO then it means that it is no longer unidentified which means it is no longer a UFO, but now that it is no longer identified as a UFO, it means that it is a UFO because it is unidentified, but now it is a UFO, it means it is identified... you get the idea. How the heck do you UFOs exist?
the complex miracle of the human brain allows us to identify the state of unidentifiedness