Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Hole in the middle within 20 minutes

My springer spaniel tore a 50 cent piece size hole in the middle of the Zisc within 20 minutes. I'm really disappointed. Hard to believe that other dogs who are labeled "destructive chewers" don't seem to be able to ruin the Zisc right away. Good for those dogs and their people!