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 had problem with the 2 screen protectors, any of them paste well on the screen. Very disappointing because I also bought the complete screen protection and I hope not happening the same thing...
Example Output: negative

Example Input: The socks are fine for the price, but it would be nice if I actually received a 12 pack. I received an 11 pack and one single sock with no match ☹️. Booo.
Example Output: negative

Example Input: I've had this for MONTHS now and it's truly one of the best mats around! I got two sizes.. the smaller one for my computer and the larger one for the kitchen. I also love that it's super easy to clean. Great product!
Example Output:
positive