You will be given a definition of a task first, then some input of the task.
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.

I started using NuStevia several years ago. Back then I had to purchase it from a health food store. Thanks to Amazon I can now order and have it within a few days. I never run out! As for the product, it's the best. I've tried several Stevia products but they have an after taste. Not with NuStevia. Please try if you haven't.
Output:
5