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: The cookies came sealed and seem to be high quality in there ingredients. The only thing is they just don't taste that good. My girlfriend and I thought these might be a good dessert-like option while doing the Paleo diet, but after trying one of each kind over a couple days we just don't find ourselves going back for more. I would much rather not have a dessert and really check that box on a cheat day than being left wanting more after eating these. If you have a true gluten allergy, maybe this is a good option for you but I'm not a believer.
Example Output: 3

Example Input: OK,I did read the reviews which ranged from splendid to awful. I took the plunge as I do like salty, and tangy flavors. No, I had never had these before I took the leap and ordered a case at a super price. They arrived quickly and in great shape with the sell by date FEB 2011. Umm, I'm in the middle on these chips, they are OK but not something I can't live without. I love the crunch, the color, NO TRANS FAT. They are a little too vinegary for my taste, which is a lot coming from a kid that grew up eating pickled hard-boiled eggs and pickled pigs feet. I haven't tried them with a deli sandwich and a cold mug of beer which might improve the experience :)
Example Output: 3

Example Input: Had been feeding my 3 hounds Purina One (which they liked) and thought I'd try this since it's not much more and I liked the ingredients. They LOVE it and I plan to order more in the future!
Example Output:
5