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 practically falls under the category of healthy snack - well, almost.  Single serving bags mean you won't be overeating and the fact that these aren't in anyway greasy because of the way they are made is a huge plus.  Nice crisp crunch.  The bags are filled with air, which for the most part do a good job of keeping the chips whole.  On the case that I got, though, two bags containted nothing but broken bits.  Of the rest most only had a couple of broken chips - some no broken ones at all.  I also noticed that you don't find nearly as much coating from flavoring on your fingers as I've experienced when eating other chips.  Purchasing it by the case to try out all of the flavors is a good idea and a decent value.  Some of the flavors are incredibly strong, to the point that I don't like them, so I won't be ordering this mixed case again.  Salt and Pepper just tasted like pepper, making this a very hot tasting chip.  The Seasalt and Vinegar is really strong on the Vinegar, which is a taste I don't enjoy.  I love BBQ flavored chips, but again, this was kind of strong.  I probably wouldn't purchase the BBQ ones in the future, but wouldn't say no if someone offered them to me.  The Original is really bland compared to these others, but not bad.  The ones I liked the most were the Sour Cream & Onion and the Cheddar, both with milder flavors.  I'd give this 5 stars if I liked all of the flavors.  Definitely high marks for the type of chip and the size of the serving and the fact that you can try all of the flavors in one order.
Example Output: 4

Example Input: I ordered these after a fair bit of searching online - even ordering the smaller 1-3oz bags. I will admit, I was a bit sceptical when I ordered this since it was not cheap and had no idea how good (or bad) the cashews would be...  The order came in pretty fast - like 3 days. The cashews were fresh and whole - with like 10 broken pieces. They were in 2 5lb bags sealed with clear tape.. first I found it odd but then it turned out to be a good deal; considering the second pack stayed fresh till I opened them. The trick is to actually keep them in an air-tight box so that they stay fresh longer.  The only negative I can think of is that the price went up abt $5.00 for the 10lb since I bought them.
Example Output: 5

Example Input: I got this after a mention in the NY Times and immediately became an addict.  It's a little hot but not too much, and it has an amazing depth of flavor -- a lot more than the plain version.  I use it in chicken salad to cut back on the amount of mayo, to add flavor to blah soups and as a substitute for a lot of the oil in salad dressings.  A little bit over steamed veggies and added to yogurt over baked potatoes (instead of sour cream) is also great.
Example Output:
5