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

Example Input: I recall this recording on LP in the early fifties. It conveys the humour and genius of Mozart with great singers although other than Steber they were not previously identified with WM.
Example Output: Positive

Example Input: While old and out of print, this book is a very good way to learn the basics of photography. You have to ignore most of the references to digital cameras as the technology has changed a lot.
Example Output: Positive

Example Input: The Jabra Eargels are wonderful.. I cannot believe how comfortable, and user friendly they are. Thank you, if not for these, I could not use my bluetooth.Great Merchandise..
Example Output:
Positive