Instructions: 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.
Input: Why, why, why did they change the formula?? Our twins loved this. Now just like gobble gobble, they wont take it. Company's website with the old and new formula: [..] Only guess is that sweet potato is much more expensive than corn (both the top ingredients). Wrote to happybaby to tell them how disappointed we are
Output:
Negative