In this task, you're given a review from Amazon's food products. Your task is to generate a rating for the product on a scale of 1-5 based on the review. The rating means 1: extremely poor, 2: poor, 3: neutral or mixed, 4: good, 5: extremely good. 

Example Input: Heavily touted by the reviews, decided to try.  Mix is good, but not great.  Probably wouldn't buy again.
Example Output: 4

Example Input: Fed to dog and she got violently sick and vomited the whole this up after eating it. Don't buy this product if you love your pet!!<a href="http://www.amazon.com/gp/product/B000ANO3N2">Nylabone Healthy Edibles Bone, Roast Beef Flavored with Vitamins, Regular Size, Triple Pack</a>
Example Output: 1

Example Input: Smooth with no sacrifice in taste and does taste as good as regular coffee.  I usually don't have any coffee after dinner and never really cared for decaf but I now have an after dinner alternative and no sacrifice in flavor.
Example Output:
5