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: Must be honest to say that I enjoy the Dolce Gusto "milky" coffees so much, that I'm a little bias towards the plain ones.  However, as a regular coffee, this is a pretty good blend.
Example Output: 3

Example Input: The wheat free brownie mix is not to my liking.  I won't be reordering. I'd rather not eat chocolate than to eat these brownies.
Example Output: 1

Example Input: After reading that corn (and of course pop corn) was heavily sprayed with pesticides and agriculture uses lots of chemicals in the soil to grow it, I decided enough was enough. It was time to spend a little more and get organic. Supplier shipped quickly. Eden Foods puts out a great product. (Edenfoods.com). Certified organic and pops up nicely. I use a brown lunch bag (top folded down) with 2 TB of corn and 45 sec. in the microwave. (Your microwave time may vary). Voila! perfection. Add some splenda/cinnamon/cocoa powder mixture and yum yum. (mixture sticks really well if you spray popcorn with a little cooking spray) Only 80 calories for 2 TB! No worries!
Example Output:
5