Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Not much bank for your buck...

This 25 minute video of a woman masturbating (one shot - no cuts) is about as clinical as it gets. The lighting is flat and there is zero sensuality. For 25 bucks I feel like I got ripped off. On the other hand, some people may feel otherwise (see sales chart). Come on...let's get real.