In this task, You are given a review of Amazon's food products. Your task is to divide them into two classes: negative or positive, depending on the content of the review.

Example Input: I was immediately disappointed with the quality of this ring. It bent as I was removing the tag. It's pretty and it hasn't turned my finger green YET, but overall disappointing.
Example Output: negative

Example Input: Great book...really many tasty recipes are there in this book..which keeps you fit and healthy..I like this helpful guide very much..author explained very well..highly recommended
Example Output: positive

Example Input: Good: I was so happy with the look to the screen protector tiny watch looked so good with the curved black edges around the screen protector. Easy installation. Bad: The screen protector shattered within an hour of putting it on my watch as I was sitting at my desk at work. Product not worth the money, I was very sad.
Example Output:
negative