Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

[EX Q]: I ordered this DVD and received a substitute I never received the DVD I ordered from Importcds (the Vendor). I contacted them and did not recieve any feedback. I can't rate a DVD I have never seen. I didn't bother to send it back because it would have cost me more that I orginally paid for it. In the future I will watch for the name of the person and/or persons I am buying from. I thought they were a good company. I understand a simple mistake but, to not get a response at all is not good businees sense. I spend hundreds of dollars a month on Amazon.com building my DVD collection. I guess I will be more careful in the future.
[EX A]: Negative

[EX Q]: I am sorry to all of you who like this book but I would never wish a single soul to read this. This book has the plot: a girl goes to a farm, falls in love and everything goes wrong. The book just goes on and on. The only reason I read it was because my mother asked me to. This book could have been written in 50 pages but no. It goes on for 300 some odd pages. I would have rather read the dictionary. The only reason I give this book 2 stars is because there was maybe four parts that consisted of 2 pages that were mildly interesting. Take my word for it. This book should be skipped.
[EX A]: Negative

[EX Q]: I have been using in-ear bluetooth devices for a couple of years. My wife and daughter (of the small ear canal clan) had opted for over the ear designs because of fit and comfort issue. As it turned out, neither of them used their ear buds because of the loose/insecure fit and feel of the ear hanger design. The Jabra gels resolved that problem by 'sizing down' to match their diminutive ears . . . . It would be nice if you could order by specific size (s-m-l)and side (l-r) rather than getting the 'variety pack'.
[EX A]:
Positive