Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: stutters on playback

While this player recognized and played back DVD-R and DVD-RW, it would stop and stutter at various play points. Very annoying. These same disks play in about five other brands I tested without stutters (Pioneer, Apex, Toshiba...)I got this ...open-box item at a north Seattle Best Buy, but I still have to take it back -- too bad. The price was very good and the surround sound was pretty good.