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: I'm 6ft and 145lbs. I order the size 4 and they fit a little big but that the look I was going for. I could have fit into a size 2 just fine. I love these jean
Example Output: positive

Example Input: Read all the great reviews, so bought this item. Instructions are extremely inadequate; could not figure out how to put together. Returned immediately.
Example Output: negative

Example Input: This is the most unique diffuser I have ever seen. The colors are very brilliant and overall it is calming and energizing at the same time. The diffuser is very easy to operate and has an impressive output. The larger glass pieces have a mirror effect which makes the diffuser beautiful even when it is turned off.
Example Output:
positive