So add a short explanation at the end. Starting with "Hey, let's solve a CAPTCHA because I'm not sure if you are a human" and burying information which side th

So add a short explanation at the end. Starting with "Hey, let's solve a CAPTCHA because I'm not sure if you are a human" and burying information which side the user is supposed to play somewhere in the middle of the text would make it a major PITA.