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 used them one time and pulled them out of my phone and wire went everywhere and now they do not work. Biggest waste of money and would cost me more to send back.
Example Output: negative

Example Input: We bought two of these.This product. Does not fit 128 disk. The folders are so tight against the edge once you start filling it. It becomes impossible to out disk in towards the back of the case. Will be looking for somwthing decent.
Example Output: negative

Example Input: Received package with 4 espresso cups but the spoons were missing. Contacted amazon and was dismayed to find out that they weren’t able to contact the seller since the seller did not leave a phone number. Therefore, only option was to return the item and re-purchase it. Highly disappointed with the entire drawn out process!
Example Output:
negative