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:
Product damaged enroute! Refund sent? Only problem is now I must wait over a week for the money to be returned to my account so I can reorder it! Great customer service Amazon!!!

Ex Output:
negative

Ex Input:
If you already have the DeWalt batteries his is a great addition. This fan is so convenient to use that I end up using it all the time. It moves an impressive amount of air while at the same time is quiet. A 6Ah battery runs for over 10 hours on high.

Ex Output:
positive

Ex Input:
Love these purse hook! Pretty look and very convenient for ladies room and restaurant, don't need to worry purse bottom dirty anymore, bags would be stolen when hanging on the chairs back, but this fix that, I can have my purse beside me. Also I used this at work just free up lots of space, it seems very strong and good made. Will purchase more as gift for friends and relatives.

Ex Output:
positive