Instruct: Classify the given Amazon review as either positive or negative.
Query: BE CAREFUL WITH THIS PRODUCT

I WAS TAKEN BY THE LOW PRICE. DOES NOT WORK WELL WITH SONY DVD PLAYERS.LUCKLY I HAVE SONY DVD RECORDER WHICH IT WORKS BETTER. THE PLAYER SHOWS A ERROR MESSAGE. WHICH SAYS "CAN'T PLAY THIS DISC". THIS HAPPENS ABOUT 60% OF THIS TIME.