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: Well I received this product Monday, it’s friday and won’t turn on anymore. It was wonderful for 4 days, but like I didn’t spend 30-40 bucks on this for it to stop working. I’d like my money back, considering my old heating pad lasted 3 years.
Example Output: negative

Example Input: I ordered the wrong size by mistake, I was able to exchange for the correct size in 48 hours without a hassle, The product? It's an Adidas, I expected quality, well... I've got it, it's a very confortable shoe.
Example Output: positive

Example Input: There is no way to contact this seller. What arrived is not what I ordered, it was some silicone, stretchable lid covers. There is no return policy so it’s a total loss.
Example Output:
negative