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.

Tuna, as is well documented, absorb and store Mercury in fat. Anything that eats that fat consumes Mercury. I wouldn't feed tuna to a child, and I'd recommend any adult to read the literature regarding mercury content in seafood. How can it be safely fed to a cat? Regarding this brand of cat food, it's excellent as long as you feed chicken or turkey.
2