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've had my replacement bands for 3 months and one side has already broken. I didn't hit my fit bit on anything and wasn't messing with the band. Pretty upset I have to buy another set of replacements so soon.
Example Output: negative

Example Input: It is very gentlemanly to the skin, very smooth, easy to take care of, will not hurt or cut your skin, the box is very good. Carry your bag and cleaning brush with you. The shaver itself looks and feels very good. It is light, easy to use, quiet and easy to hold in your hand. It is sharp and fast, and it shaves well. You can even shave in the shower because it is completely waterproof.
Example Output: positive

Example Input: Definitely NOT compatible with iPhoneX. Money wasted! Return process seems deliberately complicated to deter any returns. Seller does not reply to emails.
Example Output:
negative