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: If I could give it a zero star I would. False advertising....advertised as a 3 pack....but you only get one. BIG RIPOFF! !! Returning this. Buyer beware
Example Output: negative

Example Input: flag looked great coming out of the box, it flew great for about a month and the started falling apart, 2 months later and now i need a new flag,,,,,you get what you pay for.
Example Output: negative

Example Input: I thoroughly enjoyed this book and the one before it.it was such a unique idea to write about. I had a difficult time putting it down as it really sucks you in.
Example Output:
positive