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: Keep your money! I bought this so I could check my husbands BP. I took it out of the package, set it up, and took his BP. The sphygmomanometer broke in the first use. I didn’t even get to finish taking his BP. It felt really cheap too. I also didn’t like that I couldn’t hook the sphygmomanometer to the cuff. It is part of the pump.
Example Output: negative

Example Input: Works well. Needles seem to be a bit too thick. Worried that using this may damage my basketball. Have used it twice and it has worked well so far, however. UPDATE: I used this pump for a third time on my Wilson Evolution Basketball and it pushed in the rubber circle into the ball, popping it. Need is TOO thick. Buyer beware
Example Output: negative

Example Input: I'm a beginner in options and have learned a great deal from this book and would recommend it to anyone. I feel that I can manage my risk more effectively and make better overall trading decisions. I actually look forward to trading a bit more and then reading it again to learn even more.
Example Output:
positive