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.

Ex Input:
When the ache/pain in my upper back won't stop, I always turn to this product. It takes away the pain almost immediately. It is adjustable and comfortable to wear. I love it!!

Ex Output:
positive


Ex Input:
These are very large mouthed straws. I thpught they were regular size, but they are more of a smoothie or larger type of straw. I'm not sure who needs a straw this large.

Ex Output:
negative


Ex Input:
You use two tabs, back to back over the torn hole. The adhesive seems strong and so far, so good. I was really happy seeing as how these were brand new blinds, and one already broke!

Ex Output:

positive