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: My Scotties were full of hot spots and when I used this within a week all the hot spots were gone. The smell is kinda strong, but not bad. It's tolerablel.
Example Output: 5

Example Input: I love little white kernels of popped corn.  This was good stuff, but I think I'll try a larger white kernel to pop next time, my preference.
Example Output: 4

Example Input: This is one of the best GLUTEN-FREE mix on the market!!! It makes fluffy pancakes and light cornbread.  Also it is a great price!  I have had different mixes on the market in all price ranges and this is the best!!!
Example Output:
4