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: These are the worst gluten free cookies I have ever tasted.  They were hard, dry and tasted like tapioca flour.  Avoid these at all cost.
Example Output: 1

Example Input: okay this review would be about how it tasted but it never arrived at my door...i ordered it and they didnt even send it eww.this site sucks balls.they didnt even refund my money when i talked to them.ewwthis site sucks and i hope it gets shut down.VERY VERY SOON!!!! EWW!!!!!!!ps i rate them negative 1000
Example Output:
1