Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Amazing!!!

Oh my god! This workout is awesome! I thought it was a long and boring video, like the ones that you just watch the clock and wish to be done soon, but not, this one is a 50 minute workout and you will exercise every muscle and every inch of your body, the time will go fast and next day you may feel sore but with lots of energy. I also feel stronger and I've noticed that my body is changing, I'm definitely happy with this product and I don't need a gym membership or a personal trainer when I have this one at home!