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: This is the best Hot Cocoa product I have found for the Keurig K-cup Brewer. The others I have tried do not have the test or alot of the product remains in the cup.
Example Output: 5

Example Input: That is right, open the bag and just get your nose close and smell it. You know this is a quality product instantly. Some of the tastiest tea I have had and the Oolong and orange are a great mix. Even if you aren't a tea drinker at all, once you smell this tea you will want to try it. I am very glad I bought this product it is a favorite of mine.
Example Output: 5

Example Input: The product description says it's "just juice, bubbles and Vitamin C." Doesn't that sound good? I decided to try the Kiwi-Berry flavor, but anyone reading this review should know that The Switch is not the sort of product I buy, and my opinion may be influenced by that fact.  The good points: It's got a nice gentle fizz. And yes, it's juice, made from concentrates. Sparkling water and apple and grape juice concentrates head the list of ingredients. All natural, which presumably makes it healthier than soda. No added sugar (BUT see below, how could they possibly add any more?) And it's fortified with 100% of the Daily Value of Vitamin C. Not being clear about the term Daily Value (DV), I looked it up and found that it's a dietary reference including -- well, let's just say that it includes the information formerly given by the U.S. RDA (Recommended Daily Allowance) but you have to do some math.  The not-so-good points: Sugar, 33 grams. Carbs, 34 grams. Calories, 135. All that packed into a slim 8 ounce can, not really enough of it to quench much of a thirst. No taste of kiwifruit that I could notice. Not a crisp natural taste, and way too sweet for me. I had to dilute the last third of it with water.  I didn't fall in love with The Switch and won't be switching to it. It may have a place as an energy drink, but that's too much sugar for children or for anyone, really. Do yourself a favor: eat an orange and drink a glass of cold filtered water. You'll enjoy it more and your body will thank you.  Linda Bulger, 2009
Example Output:
2