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.

Example Input: My 3 year old loves this piano! It is so fun and the microphone is a great bonus! Lots of musical options to use when playing with this adorable piano!
Example Output: positive

Example Input: I bought this outdoor Christmas Projector Lights so I can be ready for Christmas. It can be used outdoor or indoor. It has nice snow fall down effect + other Christmas theme images which will make the outside of house looking perfect.
Example Output: positive

Example Input: 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!
Example Output:
positive