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: Lens are super reflective making everything blurry. They do not reduce eye strain, on the contrary, they make it worse. I wouldn't waste your money on these.
Example Output: negative

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: Entertaining storyline with simple sentence structure makes this a great book for intermediate German learners. I'm in the process of reading everything she writes
Example Output:
positive