Instruct: Classify Amazon reviews into positive or negative sentiment
Query: DO NOT BUY!!!! BIG PIECE OF JUNK!!!!!!!!!!!!!!!!!!!!!

biggest piece of cr*p i have ever owned. i bought it TWO DAYS AGO and it is completely dead. i bought it, then move 80 gig of data to it, then when i tried to retrieve anything off it, it gives me nothing but errors. all of my data is completely gone, and their warranty does not cover it. buyer beware!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!