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.

I have had lumbar surgery three times in the past nineteen years. I bought this to elevate my legs at night when I sleep. It really takes the pressure off your sciatic nerve, and if you are someone that suffers from edema it also helps to reduce the swelling in your feet ankles and calves
positive