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 seriously think this is 100% scam. The lights are so small and weak and their ability to produce the ozone needed to sanitize the device won't happen. Save your money! Nice idea, terrible execution. I feel completely ripped off, I returned it.
Output:
negative