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: Ingredient list: Sugar, Acidity Regulator (including miscellaneous chemicals). No tea whatsoever. $22 for 18 oz. (500g) of sugar with apple flavor. Most expensive sugar in the market!! Health benefit? None! It comes in a square tin with plastic bag inside containing granulated sugar. That's all. Nothing more.
Example Output: 1

Example Input: These are my favorite, but they aren't for everybody. In a way, they sort of taste like Oriental flavor ramen, but with a kick. For me, how can one go wrong with the combination of jalapeno and ginger? They are a bit rich, so they aren't for EveryDayForAMonth snacking. Because this is a case purchase, I recommend trying out a single bag before buying an entire case. The 2oz size seems to be no longer available, which is a shame; I can eat the entire 5oz bag.
Example Output: 5

Example Input: I keep a case of these in my office and always have at least a tin or two on my desk for visitors to help themselves to. Some folks stop by just to grab some mints and others pop them like candy while we meet. When I find someone who keeps coming back for more I just give them their own tin! One co-worker asked me to save the tins for her so she could use them as pillboxes and safety pin boxes. Like I said, theyre a real hit. Since I wouldn't be able to keep my hands off a candy dish, this is a good alternative to have around and it's nice to have them around if I have garlic for lunch! I gave the item 4 stars because they aren't as tasty as the sugar version of the mints  but what sugar free item is as good as it's full sugar counterpart?) and because of the fact that each tin is wrapped in plastic which seems like a waste and is irritating to remove (although I totally get why they wrap it - it still doesn't make it easy to deal with).
Example Output:
4