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.

These are a great snack for any dog who has food allergies to chicken. My 20 pound Sheltie loves them more than any other chew or rawhide that we have given her. I highly recommend these for any dog, especially one with food allergies.
Output:
5