Definition: 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.
Input: Great product! The Stevia powder will not raise your blood glucose level and it is all natural. Use very sparingly since it is much sweeter than sugar. Tastes more natural than artifical sweeteners and is healthy to use since it is an organic natural sweetener.
Output:
5