Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Bad, bad, bad

Even if I carefully followed the instructions, it was impossible to get a clean text. Almost every word I scanned had one or two mistakes. The time to correct those mistakes amounts to the time it would take to type the text with two fingers, as I always type. In short, I have the Iris Pen "Executive" in the closet and I don't think I will ever use it again.