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.

Example Input: Our family has liked every other flavored we have tried (BBQ is the best). We like sweet potatoes so we assumed would like these pop chips.  I was wrong, no one in the family likes the sweet potato pops chips.  I highly recommend you go to a store that sells the sweet potato before deciding on purchasing a large quantity.
Example Output: Negative

Example Input: I made cupcakes with the vanilla cake mix.  They were just ok.  They were dense, but not overly so.  So that wasn't too bad. The flavor, however, is where I was disappointed.  The vanilla flavor was so subtle that I missed it entirely, and I felt like there needed to be a little more sweetness (which probably would have also made them a bit more moist). The child I made them for only ate a few bites.
Example Output: Negative

Example Input: We have been feeding this to our dogs for over a year.  Over the past few months, we have had a problem with the cases of Grammy's Pot Pie cans.  Some cans were full of chunks of fat and a thick lard-like gravy with no veggies, and some cases were fine with chicken and veggies,etc. What happened to truth in labeling?  We also had the problem with the cans being only half-full sometimes. Our dogs were getting bad diarhea from the fat in the food so we had to stop giving them Merrick.   They need to start testing their food again.  It used to be great.  Look at the old reviews from last year and before.
Example Output:
Negative