How quickly can you find out what is unusual about this paragraph? It looks so ordinary that you would think that nothing is wrong with it at all-- and, in fact, nothing is. But it is a bit odd. Why? If you study it and think about it, you may find out, but I am not going to assist you in any way. You must do it without any coaching. No doubt, if you work at it for long, it will dawn on you. Who knows?

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