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: Being a contractor for 25 years I know how to calibrate a stud sensor... this is the biggest piece of junk I’ve ever bought!!! I wished I could get my money back!!!
Example Output: negative

Example Input: I absolutely love these! I've never installed something like this before. It took me a little longer than it prob would have taken most men, because I didn't think the directions were quite clear so I had to do some thinking on it but I'm proud of myself.
Example Output: positive

Example Input: The ports for the lightening plug are too small! No matter how hard I tried I couldn’t force my headphones to plug into this. Ended up throwing it out.
Example Output:
negative