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:
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:
If you’re thinking of starting, have started or even have been eating Keto, this book is a must have! This is exactly what I was looking for when I started!

Ex Output:
positive


Ex Input:
I acquired this product based on the experience of other users, however I had bad luck, it was already tested on 2 computers HP and Apple, in both the problematic result

Ex Output:

negative