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: this product is grainy and smells very strong. my son didn't care for it and when i tried it i didn't either. when i did further research on this product i was disappointed to learn that they use a process that involves hexane to separate the oil used in their "barrel drying".
Output:
Negative