Instruct: Classify Amazon reviews into positive or negative sentiment
Query: one tiny wafer of the problem

I choose this, b/c image reminded me of massage ball i used to buy a while back.Nope. What i got is not even remotely close to it - its some odd inflatable stuff.. I think somewhere else on amazon its sold as porcupine ball or something. Basically - there is no "needles" but rather smooth bumps. Which is not what i needed.So.. up to you..