Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

[EX Q]: This is one of those books that I like the *idea* of, but not so much the execution. It's gotten to the point where if a book has the word "spooky" (or a variation) on the cover, I'm just going to assume it's not. The idea - offering ideas for six themed parties - would make for an excellent book if they were all actually Halloween-themed. Sadly, even the Halloween-specific party suggestions fall a little flat.
[EX A]: Negative

[EX Q]: I am a huge fan of the Tomb Raider series, and have played all five other games on my PC. I love them. I was so excited to get this one, and sooooo disappointed with the quality. Glitchy glitchy glitchy. Do not buy this game. The controls are terrible. While all other 5 games play out smoothly, this one is slow, stalls, goes blank some times, and takes minutes to load to new chapters. Now I don't have a fancy schmancy computer, but I have been able to play all the other games on it just fine without any hitch. This is just crap. It makes me feel like I have to go buy a $2000 computer just to be able to play this $30 game! It probably runs better on a PS 2, so if you have one of those don't bother with the PC version. Thanks a lot Eidos, I totally wasted time and money and am warning future buyers to BEWARE!
[EX A]: Negative

[EX Q]: This book is not all that hard to understand. In simple terms, Laband and McClintock tell us that we waste a lot of money trying to avoid someone else wasting our money. It's not this fact that puts the reader so off guard. The fact that our society spends about four hundred billion dollars trying to influence two trillion dollars in government expenditures (about twenty percent of the total) shows what an inefficient mess our economy has become. This fact of wasted wealth should shock the reader. I couldn't believe it at first. The amount of research used is impressive and definitive. Though Laband and McClintock don't offer any serious solutions to the drain on the economy, this volume helps shape the continuing debate about wealth transfer.
[EX A]:
Positive