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: i like it and i find the grinder bottle to be very convenient. i like the taste of it and i would definitely buy it again, and considering its healthy use for sure.
Example Output: 4

Example Input: This tea has NO flavor, tastes like dust It "looks" like quality -- pretty package -- but it's no good. Lipton regular Pekoe is farrr superior.
Example Output: 2

Example Input: Juice consentrate is very good. I like it as much as the Tart is Smart and with the price increase it is considerably cheaper even with subscribe and save. This will be my staple tart cherry juice from now on."
Example Output:
5