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: The slots are a bit small for my liking but this case is amazing and my 3 and 7 year old fight over who gets to use it. Guess I’ll have to get another one.
Example Output: positive

Example Input: These pants are awesome. They protect your legs very well for welding. If you use your knees for low level welding, brick work, tiling, carpets or roofing, your knees will wear out before these pants do.
Example Output: positive

Example Input: Although you may be gone long before my kingdom come, I would like to thank you in advance for the knowledge you have Given me in this book. Thank you, God bless.
Example Output:
positive