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 had high hopes when I purchased this produce, shipping was amazingly fast and I've tried it a few times. I don't enjoy the taste, and since I don't sweeten my tea, it wasn't that great, and it did nothing for my sinuses. Will not purchase again but I do recommend the seller.
Example Output: 2

Example Input: I've tried a lot of different K-Cups and this is the weakest K-Cup coffee I've ever tried. It should not be labeled "Medium Roast", it should be labeled "Warm Water Tasteless" Roast. Too bad I bought a large box. What a waste...
Example Output: 1

Example Input: This makes a good pot of decaf.  Nothing remarkable - we have served this to many guests to no comments.  Nobody asked us what it was, but nobody spit it out, either :-).  It is smooth and not too strong, which is our preference.  We wouldn't hesitate to buy it again, but wouldn't go out of our way either.
Example Output:
3