You got a job as "watchman" into the "tenant". It was your duty to check the cards and data of your neighbors and let them into their apartments. And then, you arranged everything from your table and put it as convenient for you. One neighbor came up to you and brought you a card with his TIN and his data. “Hello... Can you let me in?..” You may have noticed that the photograph on his data does not look very similar to him, and he himself he's kind of nervous.