Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Caution !

Take caution with buying Operating Software on Amazon.I would advise anyone attempting to buy an Operating System over the internet to think three times about your decision. There are a gamet of scamers out there selling unregisterable copies of Microsoft Operating System Products. If the site you are trying to buy the software from does not list the company name, or seller name, or company address, or telephone number you should be weary of getting involved. I made a recent purchase of a Microsoft O.S. product only to find out that it was a copy never meant for the general public and was not registerable with Microsoft. I did manage to get my money back and send the product back to the seller. I would advise you to buy locally on this kind of product.