Instruct: Classify an Amazon review into positive or negative sentiment.
Query: Easy is not easy but difficult

I have tried the easy level from different sources after finding that the example in the directions which was listed as medium was easier than the actual ones listed as easy. All the other sources I have tried, the easy is actually easy. I mention this because I found it very frustrating when trying to learn Su Doku and getting a feel for the strategy and then build on it. My initial thought was, if the easy level is this hard than what must the next level be like!