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.

OMG!! This pillow is so comfortable! Is my favorite! My wife is so jealous, that she tried to steal it from me lol. Welk I have back problems and problems sleeping until I bought this pillow! Now I sleep like a baby! Absolutely love it!
Output:
positive