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: So life with a gluten allergy can sometimes seem unfair; however, once bisquick started making this product, things got a lot more equal. It tastes like Bisquick. It works like Bisquick. Hey, it is Bisquick. It just happens to be gluten-free. Perfect pancakes! Enough said.
Example Output: 5

Example Input: Melitta's rich, flavourful product is a delicious treat comparable to coffees with a much higher price tag. It is a plus that the decaffeinated version does not sacrifice flavour. Highly recommended.
Example Output: 5

Example Input: I can't eat these oats, they have a funny taste to them. My kids also think they taste funny. My husband thinks they are OK, so he has 50 pounds of oats to eat on his own!
Example Output:
2