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

Example Input: Currently, there are no wholes throughout the bed. But, for some reason when I wake up. The bed is already out of air. I only weigh 120lbs. I don't understand why it does that. Please save your money, when you start to have the same problem.
Example Output: Negative

Example Input: To me this was the beginning of the end for the Wilson sisters. Sure, there are some okay songs on here, or so I thought until I recently replaced my vinyl LP with the CD. These songs sound so dated that I can't believe I used to like them. To put it mildly, this album was Heart's contribution to the 1980s "hair band" movement. Synthesizers and drum machines have taken over for Nancy and Howard's guitar playing. Dreamboat Anne and Little Queen still sound as good today as they did when they were released. This CD does not.
Example Output: Negative

Example Input: This is a very good recording of a fabulous concert. The sound and picture are first rate and the list of performers is, simply, a stunning collection of British rockers. McCartney singing "Golden Slumbers" is alone worth the purchase price. I highly recommend it.
Example Output:
Positive