You will be given a definition of a task first, then some input of the task.
In this task, 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.

I have gotten this food for years. Before buying online I bought at a local feed store. The last bag I received smelled foul and my dog refused to eat it. After purchasing a different bag elsewhere he ate it fine. i ended up throwing the food in the garbage.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
negative