Given the task definition and input, reply with output. 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.

One of my cats is allergic to fish and beef. This formula is one of the few she can eat, and it has much better ingredients than the prescription diets available at the vet. Both of my kitties are very active, have soft shiny fur, and neither are fat. Dry food reduces tartar buildup on teeth, also.
5