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 would love to give you an actual review of this product but I have not received it. I have tried to contact wheel toppers without any success. I have also informed amazon of this and so far I have not gotten any help from them. I am for the first time disappointed in them as well
Example Output: negative

Example Input: Newbie to cosplay costume creations. Has easy to follow instructions. You may not be able to find certain things in your area, but she gives you alternative suggestions.
Example Output: positive

Example Input: Gap in the new part when assembled. Tried to resolve the issue with Black path through email, sending requested photos, etc. Stopped hearing back from them after 3rd email or so. Finally just returned it. I've seen since other buyers have the same comment about it not fitting.
Example Output:
negative