Its not a pattern the way you look at it. (The hint is actually useful, even though the words arent. (No, I'm not making a paradox, i'm dead serious.)) You cant answer again and raise he variable after getting it correct once.
I saw this riddle online. Also, the answer isn't covered by the car, to prevent cheating, among other things... There is a legitimate correct answer to this question, you just have to think about how some riddles seem to have no answer on first glance I fooled around with the hint so you have to read it