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: The toaster oven worked fine, but the different 'functions' were pretty much the same thing. The heating element stopped working after a year. Keep shopping.
Example Output: negative

Example Input: My brother had these and they really do keep the lemons and purchased the lime as well longer and juicy. Plus easy to display for drinks. Great product.
Example Output: positive

Example Input: This book is everything I hoped it would be and more. I like how the author keeps you interested in what’s next. Speaking of what’s next, I cannot wait for more. This was a hard book to put down
Example Output:
positive