Instruct: Classify a given review into positive or negative sentiment.
Query: I want my money back!!!

Preface: the following review was written by my 10 year old son.So, i ordered the guitar off of amazon, and when i got it, it looked so cool.I thought that i could enjoy rocking out with guitar hero 2 without stepping on or tripping over the wire for the regular guitar. When i plugged in the adapter and the guitar sensor, it wouldn't sense the guitar at all. My mom and I looked over everything on the instruction sheet and checked the batteries, but the sensor would not detect the guitar.If YOU are a customer reading this, i'm telling you: I would NOT recomend buying this guitar(it looks cool, doesn't work.) If you do buy it, you're most likely gonna want your money back to.