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: This is the best tasting stevia powder I've tried. Most other powders have a weird after taste but this one doesn't. I recently bought a 5lb bag of it online and I'm making my way through it.
Example Output: Positive

Example Input: You cant go wrong with Rosa Monte Especial! this is one of the best yerbas in Argentina. Go for it. Seller did everything ok, in time and etc.!
Example Output: Positive

Example Input: Everyone in our family except one really likes the taste of this.  It is addicting.  That includes our 3 year old.
Example Output:
Positive