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: Arrived promptly. I received it today and began taking immediately. It contains so many vitamins, such as A, C, D3, E, B6, Folic acid and of course biotin, etc. I believe in this product and hope it will deliver promising results.
Example Output: positive

Example Input: I live how easy it is to stick it into the AirPods. The actual skins are really nice and durable and I especially love their lifetime replacement guarantee which is great for people that worry they might mess the stickers up
Example Output: positive

Example Input: man this battery is good ...very good i would recommend it .. am a heavy user too !!!!! i run my sell phone repair business off my v20 ...f$%^in love it
Example Output:
positive