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

I already own 3-4 tapes and one DVD by Karen, and the common denominator is that they are too long. I thought this would be a challenging workout, but I was so bored with the amount of repetitions needed I've only done it all the way through once!! I don't think I could face it again without fast forwarding through a few reps!! Even the music was boring!If it weren't for one of the fine male members of her class, I'd have given up much earlier!!I'd recommend Kathy Smith's Lift Weights to Lose Weight Vol One - Vol Two is good too (but for a bit of back pain in the glute section) and they BOTH have great music! Kathy Smith tapes ALWAYS have great motivating music, and motivation is key, but the music on Karen's tapes is nearly always awful. Karen's best workout is the one she did with Elle Macpherson.