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: These are wheat thins, with some flavor added. The Flavor is very salty, and you can definitely taste the MSG that they added as a cheap way to spike the flavor. As far as i remember, you can't really taste the basil at all.
Example Output: 3

Example Input: I really like the frozen Corn Muffin Tops, but the mix resulted in a dryer product. I used the paper muffin liners and I think these might have added to the dryness.
Example Output: 3

Example Input: this is a high quality oolong tea and i can't go back to bigelow, that's for sure! the taste is great, it is said to have slimming benefits, and the tea bags are a higher quality that don't come apart easily.
Example Output:
5