You are given a review of Amazon's food products. Your task is to divide them into two classes: negative or positive, depending on the content of the review.

Ex Input:
Are your cats getting sick? Mine were vomiting and I finally traced it back to the salmon cat food.  But it's not the salmon, it's the dye they put in the salmon. Some cats simply can't tolerate it.  Three of my seven were that way.  If you see this happening, there's a pretty good chance that your cat has an intolerance to the dye as well.

Ex Output:
Negative


Ex Input:
This soy sauce is the best we have ever had.  Thanks to Amazon, we were able to find it again.  It makes a big difference when using this product.  Thanks again

Ex Output:
Positive


Ex Input:
I love the metallic and sheen colors.  In a photo, the items airbrushed with the silver and gold look real.  The sheen really kicks the color up a notch.

Ex Output:

Positive