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: grandfather thought he would like the open to but says they tend to roll up on him and become uncomfortable so be sure to try closed toe first. the quality was fine just a personal comfort issue.
Example Output: positive

Example Input: I got the 6 foot tree and fit perfect for an apartment. Be away 6 foot means including the stand and the long top piece that the angel or star sits on. It fluffed out well but will need to vacuum before and after assembly.
Example Output: positive

Example Input: I have been using the case for less than a month now, and the rose gold paint is already peeling off. This is my third Spigen case because I normally love your brand, but this is very disappointing!
Example Output:
negative