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: Been a long time since a book has held me so captivated & enthralled. Deep, exciting, moving & Inspiring, Mitchell's command of the English language is unparalleled. Never wanted this book to end.
Example Output: positive

Example Input: I like the fact that it is a hard cover copy and it have a lot more prayers than the soft copy. It is a very good prayer book. The prayers are in the bible and you can pray these prayers to protect yourself, your friends and your family members.
Example Output: positive

Example Input: I don't know why I couldn't attach a picture in there by any tech reason. I just received this today. light, sample, and useful. it can save my toothbrush goes moldy.
Example Output:
positive