Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Must have!

you must have this guide!it tells you what to do next,how to beat bosses(yay!)and how to get the KH2 preview(win hades cup,get all the puppies,and seal all the worlds.I haven't seen it because i'm still at Hollow Bastion so I haven't beat the game but i'm close and I hear the KH2 preview is really Specktangular!!!(...)