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: Come on Amazon, give me a break.  Powdered tofu?  Get in some real food and I'll buy more from you. I went looking for table sugar. You've got 100 weird kinds of sugar (that you expect me to buy in bulk!) but NO just plain sugar. I'm not eatin' any more of this rice and tofu bread either.  Sorry I just had to rant.
Example Output: 2

Example Input: I had bought this product last year my dog loved them, but... I subscribe to a couple of Bichon Frise newsgroup and they are saying not to feed these to your dog as they come from China I threw out what I had left for the outside critters in the forest.  I called Dogswell today and they verified that even though they say U.S. on them they are still coming from China.
Example Output: 1

Example Input: the best flavor in this box is the salt and pepper and the bbq flavor.  all the other flavor was just so-so
Example Output:
2