Instruct: Classify Amazon reviews into positive or negative sentiment
Query: WHY!!!!!!? CHRISTINA USED TO DO -eventing!-!

This is so stupid. Two books now where beautiful Sterling is gone, Christina suddenly turns away from jumping, and suddenly LOOOOOOOOOVES races. Really. For us jumping-crazy girls, this stinks. Sure, I love flat racing. It's very exciting. But these "new" THOROUGHBRED BOOKS GO REALLY DOWNHILL...